[Bug middle-end/82170] gcc optimizes int range-checking poorly on x86-64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82170 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2017-09-14 00:00:00 |2021-9-4 Severity|normal

[Bug tree-optimization/83819] [meta-bug] missing strlen optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83819 Bug 83819 depends on bug 86708, which changed state. Bug 86708 Summary: strlen of an empty aggregate element or member string not folded https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86708 What|Removed |Added --

[Bug tree-optimization/86708] strlen of an empty aggregate element or member string not folded

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86708 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug ipa/88971] Branch optimization inconsistency (missed optimization)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88971 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-09-05 Status|UNCONFIRME

[Bug middle-end/88971] Branch optimization inconsistency (missed optimization)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88971 Andrew Pinski changed: What|Removed |Added Component|libstdc++ |middle-end Severity|normal

[Bug tree-optimization/83190] missing strlen optimization of the empty string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83190 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/82911] missing strlen optimization for strncpy with constant strings and constant bound

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82911 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug rtl-optimization/93525] Left shift and arithmetic shift could be futher simplified in simplify-rtx.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93525 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/93539] memmove over self with result of string function not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93539 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-09-05 Ever confirmed|0

[Bug tree-optimization/93556] lower mempcpy to memcpy when result is unused

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93556 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug tree-optimization/93560] strstr(s, s) not folded to s

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93560 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Status|UNCONFIRM

[Bug target/93737] inline memmove for insertion into small arrays

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93737 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-09-05 Ever confirmed|0

[Bug target/93396] [RX] tail call optimization does not work with indirect call

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93396 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug middle-end/91409] Missed optimization on `labels as values` expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91409 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Component|target

[Bug rtl-optimization/52082] Memory loads not rematerialized

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52082 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement --- Comment #3 from Andrew P

[Bug target/91103] AVX512 vector element extract uses more than 1 shuffle instruction; VALIGND can grab any element

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91103 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug ipa/88231] aligned functions laid down inefficiently

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88231 Andrew Pinski changed: What|Removed |Added Severity|minor |enhancement

[Bug tree-optimization/89043] strcat (strcpy (d, a), b) not folded to stpcpy (strcpy (d, a), b)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89043 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/86604] phiopt missed optimization of conditional add

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86604 Andrew Pinski changed: What|Removed |Added CC||pinskia at gcc dot gnu.org Sev

[Bug tree-optimization/86241] duplicate strlen-like snprintf calls not folded

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86241 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Severity|normal

[Bug tree-optimization/86339] DOM does not handle RHS COND_EXPRs well

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86339 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/85116] std::min_element does not optimize well with inlined predicate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85116 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Last reconfirmed|2018-03-2

[Bug middle-end/86085] I/O built-ins considered argument clobbers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86085 --- Comment #3 from Andrew Pinski --- I thought builtin_fnspec and friends would have optimized this case but no. In fact starting with GCC 10, f even regresses, starting with r10-2814.

[Bug middle-end/86085] I/O built-ins considered argument clobbers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86085 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2018-06-13 00:00:00 |2021-9-4 Severity|normal

[Bug target/102205] New: vec + 1 could be done as vec - (-1)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102205 Bug ID: 102205 Summary: vec + 1 could be done as vec - (-1) Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: enhancement

[Bug target/85324] missing constant propagation on SSE/AVX conversion intrinsics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85324 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Last reconfirmed|2018-04-1

[Bug c++/102204] New: OpenMP offload map type restriction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102204 Bug ID: 102204 Summary: OpenMP offload map type restriction Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/98869] Allowing mapping this in OpenMP target

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98869 --- Comment #3 from Ye Luo --- This doesn't work with gcc 11.2 but works on devel/omp/gcc-11 branch.

[Bug middle-end/84756] Multiplication done twice just to get upper and lower parts of product

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84756 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-09-05 Component|target

[Bug ipa/84312] Variadic function without named argument not inlined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84312 Andrew Pinski changed: What|Removed |Added Known to fail||9.4.0 Resolution|---

[Bug tree-optimization/85406] Unnecessary blend when vectorizing short-cutted calculations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85406 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement --- Comment #7 from Andrew P

[Bug rtl-optimization/80301] Sub-optimal code with an array of structs offsetted inside a struct global on x86/x86_64 at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80301 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement --- Comment #4 from Andrew P

[Bug target/102203] New: __builtin_memset and __builtin_memcpy could be expanded inline if range is known to be small

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102203 Bug ID: 102203 Summary: __builtin_memset and __builtin_memcpy could be expanded inline if range is known to be small Product: gcc Version: 12.0 Status: UNCONFIRMED

[Bug target/102202] Inefficent expansion of memset when range is [0,1]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102202 --- Comment #2 from Andrew Pinski --- I wonder if we could do this expansion at the gimple level ... Though introducing branches might not be happy for some.

[Bug target/102202] Inefficent expansion of memset when range is [0,1]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102202 --- Comment #1 from Andrew Pinski --- Likewise for memcpy: typedef decltype(sizeof(0)) size_t; void g(size_t a, char *d, char *e) { __builtin_memcpy(d, e, a&1); }

[Bug target/102202] New: Inefficent expansion of memset when range is [0,1]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102202 Bug ID: 102202 Summary: Inefficent expansion of memset when range is [0,1] Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: enhance

[Bug tree-optimization/66646] small loop turned into memmove because of tree ldist

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66646 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Last reconfirmed|2015-06-2

[Bug target/101059] v4sf reduction not optimal

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101059 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/93745] Redundant store not eliminated with intermediate instruction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93745 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/95410] Failure to optimize compare next to and properly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95410 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/84011] Optimize switch table with run-time relocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84011 Andrew Pinski changed: What|Removed |Added CC||jengelh at inai dot de --- Comment #14 f

[Bug tree-optimization/99383] No tree-switch-conversion under PIC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99383 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug tree-optimization/99383] No tree-switch-conversion under PIC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99383 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement See Also|

[Bug tree-optimization/93326] switch optimisation of multiple jumptables into a lookup

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93326 --- Comment #6 from Andrew Pinski --- (In reply to Andrew Pinski from comment #5) > So for the -fPIC case, we don't want to increase the number of runtime > relocations done. The number of runtime locations will happen in the > constable load ta

[Bug tree-optimization/85316] [meta-bug] VRP range propagation missed cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85316 Bug 85316 depends on bug 98357, which changed state. Bug 98357 Summary: Bounds check not eliminated https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98357 What|Removed |Added

[Bug tree-optimization/98357] Bounds check not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98357 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug tree-optimization/94846] Failure to optimize jnc+inc into adc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94846 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement --- Comment #5 from Andrew P

[Bug target/98453] aarch64: Missed opportunity for STP for vec_duplicate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98453 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-09-05 Severity|normal

[Bug middle-end/19987] [meta-bug] fold missing optimizations in general

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987 Bug 19987 depends on bug 95527, which changed state. Bug 95527 Summary: Failure to optimize __builtin_ffs == 0 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95527 What|Removed |Added -

[Bug tree-optimization/95527] Failure to optimize __builtin_ffs == 0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95527 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug tree-optimization/85316] [meta-bug] VRP range propagation missed cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85316 Bug 85316 depends on bug 85375, which changed state. Bug 85375 Summary: possible missed optimisation / regression from 6.3 with while (__builtin_ffs(x) && x) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85375 What|Removed

[Bug tree-optimization/85375] possible missed optimisation / regression from 6.3 with while (__builtin_ffs(x) && x)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85375 Andrew Pinski changed: What|Removed |Added Known to fail||10.3.0 See Also|

[Bug rtl-optimization/94798] Failure to optimize subtraction and 0 literal properly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94798 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug rtl-optimization/97603] Failure to optimize out compare into reuse of subtraction result

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97603 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug middle-end/19987] [meta-bug] fold missing optimizations in general

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987 Bug 19987 depends on bug 95433, which changed state. Bug 95433 Summary: Failure to completely optimize simple compare after operations https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 What|Removed |Added

[Bug tree-optimization/95433] Failure to completely optimize simple compare after operations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95433 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug tree-optimization/18487] Warnings for pure and const functions that are not actually pure or const

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18487 --- Comment #30 from Federico Kircheis --- It seems to me we are not going to agree as we tend to repeat ourselves, lets see if we go around and around in circles or if it is more like a spiral ;) Your view is more about the compiler, how it i

[Bug target/94789] Failure to take advantage of shift operand semantics to turn subtraction into negate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94789 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug middle-end/92080] Missed CSE of _mm512_set1_epi8(c) with _mm256_set1_epi8(c)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92080 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2019-10-14 00:00:00 |2021-9-4 Severity|normal

[Bug target/93346] gcc does not generate BZHI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93346 Andrew Pinski changed: What|Removed |Added CC||peter at cordes dot ca --- Comment #8 fr

[Bug target/82298] x86 BMI: no peephole for BZHI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82298 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |10.0 Resolution|---

[Bug target/93346] gcc does not generate BZHI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93346 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |10.0

[Bug tree-optimization/99082] manual bit-field creation followed by manual extraction does not always produce good code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99082 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug target/97286] GCC sometimes uses an extra xmm register for the destination of _mm_blend_ps

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97286 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Keywords|

[Bug target/88473] AVX512: constant folding on mask does not remove unnecessary instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88473 Andrew Pinski changed: What|Removed |Added Blocks||93885 --- Comment #7 from Andrew Pinski

[Bug target/95974] AArch64 arm_neon.h stores interfere with gimple optimisations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95974 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug tree-optimization/89811] uint32_t load is not recognized if shifts are done in a fixed-size loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89811 Andrew Pinski changed: What|Removed |Added CC||gabravier at gmail dot com --- Comment #

[Bug tree-optimization/94834] Failure to optimize loop bswap pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94834 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug target/93885] Spurious instruction kshiftlw issued

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93885 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Ever confirmed|0

[Bug middle-end/91899] Merge constant literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91899 Andrew Pinski changed: What|Removed |Added Resolution|--- |WONTFIX Status|NEW

[Bug target/85539] x86_64: loads are not always narrowed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85539 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED See Also|

[Bug middle-end/90424] memcpy into vector builtin not optimized

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90424 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2019-05-13 00:00:00 |2021-9-4 Severity|normal

[Bug tree-optimization/18487] Warnings for pure and const functions that are not actually pure or const

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18487 --- Comment #29 from Daniel Berlin --- Let me try to explain a different way: The only functions GCC can warn about are those that don’t need the attributes in the first place. The way any warning would work is to detect whether it is pure/const,

[Bug tree-optimization/89811] uint32_t load is not recognized if shifts are done in a fixed-size loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89811 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Last reconfirmed|2019-03-2

[Bug tree-optimization/93040] gcc doesn't optimize unaligned accesses to a 16-bit value on the x86 as well as it does a 32-bit value (or clang)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93040 Andrew Pinski changed: What|Removed |Added CC||nok.raven at gmail dot com --- Comment #

[Bug tree-optimization/89809] movzwl is not utilized when uint16_t is loaded with bit-shifts (while memcpy does)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89809 Andrew Pinski changed: What|Removed |Added Known to fail||9.4.0 Resolution|---

[Bug tree-optimization/93040] gcc doesn't optimize unaligned accesses to a 16-bit value on the x86 as well as it does a 32-bit value (or clang)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93040 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |10.0

[Bug tree-optimization/18487] Warnings for pure and const functions that are not actually pure or const

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18487 --- Comment #28 from Federico Kircheis --- >Edit: sorry, my last comment about what GCC thinks is wrong. Unless it is going to inline the function call, in that case the attributes are as-if ignored (at least the case I've tested with GCC 11.2).

[Bug tree-optimization/18487] Warnings for pure and const functions that are not actually pure or const

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18487 --- Comment #27 from Federico Kircheis --- Edit: sorry, my last comment about what GCC thinks is wrong. GCC seems to follow the gnu::pure/gnu::const directive to the letter, it does not ignore it when it sees the implementation of the function,

[Bug tree-optimization/18487] Warnings for pure and const functions that are not actually pure or const

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18487 --- Comment #26 from Federico Kircheis --- As multiple people commented this Ticket, I do not know to who the least message is sent, but I would like to give again my opinion on it, as I would really like to use those attributes in non-toy projec

[Bug target/56309] conditional moves instead of compare and branch result in almost 2x slower code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56309 --- Comment #37 from Peter Cordes --- Correction, PR82666 is that the cmov on the critical path happens even at -O2 (with GCC7 and later). Not just with -O3 -fno-tree-vectorize. Anyway, that's related, but probably separate from choosing to do

[Bug target/56309] conditional moves instead of compare and branch result in almost 2x slower code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56309 Peter Cordes changed: What|Removed |Added CC||peter at cordes dot ca --- Comment #36 fr

[Bug c/29970] mixing ({...}) with VLA leads to massive breakage

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29970 --- Comment #13 from Martin Uecker --- The remaining problem with constant index 0 for the patch mentioned above, appears to be related to fold_binary_loc which transforms (a + (x, 0)) to (x, a) which breaks if 'x' depends on something in 'a'.

[Bug c++/102201] Accepts invalid C++98 with nested class and sizeof of outer's non-static field

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102201 Harald van Dijk changed: What|Removed |Added CC||harald at gigawatt dot nl --- Comment

[Bug c++/101355] incorrect `this' in destructor calls when compiling coroutines with ubsan

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101355 Dan Klishch changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/102196] -Wmaybe-uninitialized: Maybe generate helpful hints?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102196 --- Comment #6 from Jan-Benedict Glaw --- Calling the compiler again with just adding -fanalyzer doesn't add more information to the output. Do I need to turn on extra warnings to enable static analysis for access to possibly uninitialized varia

[Bug tree-optimization/102200] [12 Regression] ice in put_ref, at pointer-query.cc:1351

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102200 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug c++/102199] is_default_constructible incorrect for an inner type with NSDMI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102199 --- Comment #3 from Eyal Rozenberg --- Andrew: What you're saying would be plausible if g++ would find the structure to be incomplete. It does not. The completeness check passes; and it is why adding the explicit default ctor makes the assertin

[Bug c++/102201] New: Accepts invalid C++98 with nested class and sizeof of outer's non-static field

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102201 Bug ID: 102201 Summary: Accepts invalid C++98 with nested class and sizeof of outer's non-static field Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords:

[Bug c++/102199] is_default_constructible incorrect for an inner type with NSDMI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102199 --- Comment #2 from Andrew Pinski --- This is because the following is still valid C++11: struct outer { struct inner { // inner() { } unsigned int x = y; }; static constexpr int y =10; }; That is inner is not complete

[Bug c++/102199] is_default_constructible incorrect for an inner type with NSDMI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102199 Andrew Pinski changed: What|Removed |Added Component|libstdc++ |c++ --- Comment #1 from Andrew Pinski

[Bug tree-optimization/102200] [12 Regression] ice in put_ref, at pointer-query.cc:1351

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102200 Andrew Pinski changed: What|Removed |Added Keywords||ice-on-valid-code Target Milestone|--

[Bug tree-optimization/18487] Warnings for pure and const functions that are not actually pure or const

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18487 --- Comment #25 from Daniel Berlin --- This seems like a bad idea, and is impossible in general. The whole point of the attributes is to tell the compiler things are pure/const in cases it can't already prove. It can already prove a lot, and do

[Bug c/102200] New: ice in put_ref, at pointer-query.cc:1351

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102200 Bug ID: 102200 Summary: ice in put_ref, at pointer-query.cc:1351 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug middle-end/32911] Function __attribute__ ((idempotent))

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32911 Trass3r changed: What|Removed |Added CC||trass3r at gmail dot com --- Comment #7 from T

[Bug tree-optimization/93540] Attributes pure and const not working with aggregate return types, even trivial ones

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93540 Trass3r changed: What|Removed |Added CC||trass3r at gmail dot com --- Comment #2 from T

[Bug libstdc++/102199] New: is_default_constructible incorrect for an inner type with NSDMI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102199 Bug ID: 102199 Summary: is_default_constructible incorrect for an inner type with NSDMI Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug target/101933] Unloaded dll with global std::mutex causes exe to crash on exit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101933 Paul Jackson changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED