https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120619
Bug ID: 120619
Summary: ICE: Segmentation fault during IPA pass: tmipa
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: iamanonymous.cs at gmail dot com
Target Milestone: ---
Target: x86_64
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The compiler produces an internal error during IPA pass: tmipa when compiling
the provided code with the specified options.
The issue can also be reproduced on Compiler Explorer.
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OS and Platform:
# uname -a
Linux ubuntu 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023
x86_64 x86_64 x86_64 GNU/Linux
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# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/root/gdbtest/gcc/gcc-250610/libexec/gcc/x86_64-pc-linux-gnu/16.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-master/configure --prefix=/root/gdbtest/gcc/gcc-250610
--enable-languages=c,c++ --disable-multilib --disable-bootstrap :
(reconfigured) ../gcc-master/configure --prefix=/root/gdbtest/gcc/gcc-250610
--enable-languages=c,c++ --disable-multilib --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 16.0.0 20250610 (experimental) (GCC)
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Program:
#cat code.c
__attribute ((transaction_safe))
int f() {
int x;
&x;
}
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Command Lines:
g++ code.c -fgnu-tm -fsanitize=thread -fno-optimize-sibling-calls
-Wuninitialized -c -o code_0.o
during IPA pass: tmipa
<source>: In function 'f':
<source>:5:1: internal compiler error: Segmentation fault
5 | }
| ^
0x25075c5 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x2525a46 internal_error(char const*, ...)
???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Compiler returned: 1
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Also ICE on trunk, compiler explorer:https://gcc.godbolt.org/z/MdvEbqsMs
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