https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99758
Bug ID: 99758
Summary: ICE in
setup_preferred_alternate_classes_for_new_pseudos, at
ira.c:2772
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: aarch64-linux-gnu
gcc-11.0.1-alpha20210321 snapshot (g:fc24ea2374259d401a46ce3526688b7e79d4cc13)
ICEs when compiling gcc/testsuite/gcc.target/i386/pr55934.c w/ -O2 -fPIC
-fstack-protector-all:
% aarch64-linux-gnu-gcc-11.0.1 -O2 -fstack-protector-all -c
gcc/testsuite/gcc.target/i386/pr55934.c
during RTL pass: ira
gcc/testsuite/gcc.target/i386/pr55934.c: In function 'foo':
gcc/testsuite/gcc.target/i386/pr55934.c:10:1: internal compiler error: in
setup_preferred_alternate_classes_for_new_pseudos, at ira.c:2772
10 | }
| ^
0x71c45e setup_preferred_alternate_classes_for_new_pseudos
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210321/work/gcc-11-20210321/gcc/ira.c:2772
0x71c45e expand_reg_info
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210321/work/gcc-11-20210321/gcc/ira.c:2799
0xce840f find_moveable_pseudos
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210321/work/gcc-11-20210321/gcc/ira.c:4889
0xce840f ira
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210321/work/gcc-11-20210321/gcc/ira.c:5639
0xce840f execute
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210321/work/gcc-11-20210321/gcc/ira.c:5977
