https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102269
Bug ID: 102269
Summary: [12 Regression] ICE in verify_gimple_stmt since
r12-3433-ga25e0b5e6ac8a77a
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: qing.zhao at oracle dot com
Target Milestone: ---
The following crashes:
$ cat auto-var.c
void fn() { int a[0]; }
$ gcc auto-var.c -c -ftrivial-auto-var-init=zero -fdump-tree-all
auto-var.c: In function ‘fn’:
auto-var.c:1:6: internal compiler error: Segmentation fault
1 | void fn() { int a[0]; }
| ^~
0x14615f8 crash_signal
/home/marxin/Programming/gcc/gcc/toplev.c:328
0x7ffff786239f ???
../sysdeps/unix/sysv/linux/sigaction.c:10
0x14c1ffc verify_gimple_call
/home/marxin/Programming/gcc/gcc/tree-cfg.c:3466
0x14c8d13 verify_gimple_stmt
/home/marxin/Programming/gcc/gcc/tree-cfg.c:5032
0x14c92f4 verify_gimple_in_seq_2
/home/marxin/Programming/gcc/gcc/tree-cfg.c:5188
0x14c91e3 verify_gimple_in_seq_2
/home/marxin/Programming/gcc/gcc/tree-cfg.c:5161
0x14c941c verify_gimple_in_seq(gimple*)
/home/marxin/Programming/gcc/gcc/tree-cfg.c:5227
0x1028655 gimplify_body(tree_node*, bool)
/home/marxin/Programming/gcc/gcc/gimplify.c:15746
0x1028922 gimplify_function_tree(tree_node*)
/home/marxin/Programming/gcc/gcc/gimplify.c:15817
0xd543d0 cgraph_node::analyze()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:670
0xd5671d analyze_functions
/home/marxin/Programming/gcc/gcc/cgraphunit.c:1234
0xd59e59 symbol_table::finalize_compilation_unit()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:2508
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
