https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111807
Bug ID: 111807
Summary: ice in verify_sra_access_forest with -O1
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
Created attachment 56106
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56106&action=edit
gzipped C source code
The attached C code, when compiled by recent gcc, does this:
$ ~/gcc/results/bin/gcc -c -w -O1 bug965.c
./buildData/in/in.20163.c: In function ‘func_57’:
./buildData/in/in.20163.c:1769:18: note: the ABI for passing parameters with
128-byte alignment has changed in GCC 4.6
during GIMPLE pass: esra
./buildData/in/in.20163.c: In function ‘func_40’:
./buildData/in/in.20163.c:2878:1: internal compiler error: in
verify_sra_access_forest, at tree-sra.cc:2414
0xfb289d verify_sra_access_forest(access*)
/home/dcb38/gcc/working/gcc/../../trunk.year/gcc/tree-sra.cc:2414
0xfb2a2a verify_all_sra_access_forests()
/home/dcb38/gcc/working/gcc/../../trunk.year/gcc/tree-sra.cc:2465
0xfb4672 analyze_all_variable_accesses()
/home/dcb38/gcc/working/gcc/../../trunk.year/gcc/tree-sra.cc:3534
The bug first seems to appear sometime between git hash g:530babc2058be5f2
and g:78dd49f387c515a6, a range of 52 commits.
I will have a go at a reduction.
