https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110185
Bug ID: 110185
Summary: [14 Regression]: Tens of c++ testsuite crashes for
cris-elf with r14-1624-g28db36e2cfca1b
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hp at gcc dot gnu.org
CC: jason at redhat dot com
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: cris-elf
Created attachment 55289
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55289&action=edit
spaceship-p1186.ii
With r14-1624-g28db36e2cfca1b, for cris-elf cross from x86_64-linux, I get tens
of regressions:
--- regress.prev 2023-06-08 03:27:56.000000000 +0200
+++ regress 2023-06-08 08:50:14.425080243 +0200
@@ -0,0 +1,20 @@
+g++.sum g++.dg/cpp2a/spaceship-p1186.C
+g++.sum g++.dg/cpp2a/spaceship-synth1.C
+g++.sum g++.dg/cpp2a/spaceship-synth10.C
+g++.sum g++.dg/cpp2a/spaceship-synth12.C
+g++.sum g++.dg/cpp2a/spaceship-synth13.C
+g++.sum g++.dg/cpp2a/spaceship-synth14.C
+g++.sum g++.dg/cpp2a/spaceship-synth1a.C
+g++.sum g++.dg/cpp2a/spaceship-synth2.C
+g++.sum g++.dg/cpp2a/spaceship-synth2a.C
+g++.sum g++.dg/cpp2a/spaceship-synth2b.C
+g++.sum g++.dg/cpp2a/spaceship-synth4.C
+g++.sum g++.dg/cpp2a/spaceship-synth5.C
+g++.sum g++.dg/cpp2a/spaceship-weak1.C
+libstdc++.sum 25_algorithms/minmax/constrained.cc
+libstdc++.sum std/time/month_day/1.cc
+libstdc++.sum std/time/month_day_last/1.cc
+libstdc++.sum std/time/year_month/1.cc
+libstdc++.sum std/time/year_month_day/1.cc
+libstdc++.sum std/time/year_month_day/4.cc
+libstdc++.sum std/time/year_month_day_last/1.cc
Checking the .log files, all seem to be similar crashes. Here's the important
bits for spaceship-p1186.C:
spawn -ignore SIGHUP /x/gccobj/gcc/testsuite/g++/../../xg++
-B/x/gccobj/gcc/testsuite/g++/../../ /x/gcc/gcc/testsuite/g\
++.dg/cpp2a/spaceship-p1186.C -fdiagnostics-plain-output -nostdinc++
-I/x/gccobj/cris-elf/libstdc++-v3/include/cris-elf\
-I/x/gccobj/cris-elf/libstdc++-v3/include -I/x/gcc/libstdc++-v3/libsupc++
-I/x/gcc/libstdc++-v3/include/backward -I/x/\
gcc/libstdc++-v3/testsuite/util -fmessage-length=0 -std=c++20 -pedantic-errors
-Wno-long-long -S -isystem /x/gccobj/cri\
s-elf/./newlib/targ-include -isystem /x/gcc/newlib/libc/include -o
spaceship-p1186.s
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C: In function 'void foo(A&,
A&, B&, B&, D&, D&, F&, F&, I&, I&)':
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:91:17: error: use of
deleted function 'constexpr auto A::operator<=\
>(const A&) const'
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:17:8: note: 'constexpr auto
A::operator<=>(const A&) const' is impl\
icitly deleted because the default definition would be ill-formed:
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:16:5: error: no match for
'operator<=>' in '((const A*)this)->A::h \
<=> <anonymous>.A::h' (operand types are 'H' and 'H')
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:84:23: note: candidate:
'template<class T> std::partial_ordering op\
erator<=>(const N&, T&&)' (reversed)
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:84:23: note: template
argument deduction/substitution failed:
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:16:5: note: cannot
convert '<anonymous>.A::h' (type 'H') to type \
'const N&'
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:86:23: note: candidate:
'template<class T> std::partial_ordering op\
erator<=>(T&&, const N&)' (reversed)
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:86:23: note: template
argument deduction/substitution failed:
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:16:5: note: cannot
convert '((const A*)this)->A::h' (type 'H') to\
type 'const N&'
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:17:8: note: changing the
return type from 'auto' to a comparison ca\
tegory type will allow the comparison to use 'operator<' and 'operator=='
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C: In member function
'constexpr std::strong_ordering B::operator<=>(\
const B&) const':
/x/gcc/gcc/testsuite/g++.dg/cpp2a/spaceship-p1186.C:25:24: internal compiler
error: Segmentation fault
0x10e034f crash_signal
/x/gcc/gcc/toplev.cc:314
0x7ff4199b1d5f ???
./signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0xa0f1de tree_check(tree_node*, char const*, int, char const*, tree_code)
/x/gcc/gcc/tree.h:3569
0xa0f1de outer_binding(tree_node*, cxx_binding*, bool)
/x/gcc/gcc/cp/name-lookup.cc:7394
0xa0f31a decl_in_scope_p(tree_node*)
/x/gcc/gcc/cp/name-lookup.cc:7465
0xb3ca65 check_return_expr(tree_node*, bool*)
/x/gcc/gcc/cp/typeck.cc:11177
0xae7baf finish_return_stmt(tree_node*)
/x/gcc/gcc/cp/semantics.cc:1244
0x9c96f1 build_comparison_op(tree_node*, bool, int)
/x/gcc/gcc/cp/method.cc:1697
0x9caa1e synthesize_method(tree_node*)
/x/gcc/gcc/cp/method.cc:1823
0x981fa4 mark_used(tree_node*, int)
/x/gcc/gcc/cp/decl2.cc:5700
0x8bec69 build_over_call
/x/gcc/gcc/cp/call.cc:10397
0x8c825b build_new_op(op_location_t const&, tree_code, int, tree_node*,
tree_node*, tree_node*, tree_node*, tree_node**\
, int)
/x/gcc/gcc/cp/call.cc:7154
0xb242ee build_x_binary_op(op_location_t const&, tree_code, tree_node*,
tree_code, tree_node*, tree_code, tree_node*, t\
ree_node**, int)
/x/gcc/gcc/cp/typeck.cc:4722
0xa31ad2 cp_parser_binary_expression
/x/gcc/gcc/cp/parser.cc:10333
0xa327d2 cp_parser_assignment_expression
/x/gcc/gcc/cp/parser.cc:10493
0xa35d9d cp_parser_constant_expression
/x/gcc/gcc/cp/parser.cc:10786
0xa373b1 cp_parser_initializer_clause
/x/gcc/gcc/cp/parser.cc:25524
0xa3962c cp_parser_initializer
/x/gcc/gcc/cp/parser.cc:25462
0xa6a4a3 cp_parser_init_declarator
/x/gcc/gcc/cp/parser.cc:23027
0xa41dab cp_parser_simple_declaration
/x/gcc/gcc/cp/parser.cc:15435
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 exited with status 1
FAIL: g++.dg/cpp2a/spaceship-p1186.C -std=c++20 (internal compiler error:
Segmentation fault)
Attached is spaceship-p1186.ii.
Repeat with cc1plus -fpreprocessed spaceship-p1186.ii -melf -quiet -dumpbase
spaceship-p1186.C -dumpbase-ext .C -pedantic-errors -Wno-long-long -std=c++20
-version -fdiagnostics-color=never -fno-diagnostics-show-caret
-fno-diagnostics-show-line-numbers -fdiagnostics-urls=never
-fdiagnostics-path-format=separate-events -fmessage-length=0 -o
spaceship-p1186.s
Clues: 32-bit, newlib, default "packed" ABI memory layout.
