https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96680
Bug ID: 96680
Summary: [11 Regression][OpenMP][LTO] Declare variant + ICE in
lto_fixup_prevailing_decls, at lto/lto-common.c:2595
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, openmp
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: burnus at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
Target Milestone: ---
This now fails with offloading in the device lto1 of both AMDGCN and nvptx.
The testcase is tests/5.0/declare_variant/test_declare_variant.c of
https://github.com/SOLLVE/sollve_vv
compile, e.g., as
gcc -fopenmp -I ompvv ./tests/5.0/declare_variant/test_declare_variant.c
lto1: internal compiler error: in lto_fixup_prevailing_decls, at
lto/lto-common.c:2595
0x6536a0 lto_fixup_prevailing_decls
gcc-mainline/gcc/lto/lto-common.c:2595
0x65f9a1 lto_fixup_decls
gcc-mainline/gcc/lto/lto-common.c:2645
0x65f9a1 read_cgraph_and_symbols(unsigned int, char const**)
src/gcc-mainline/gcc/lto/lto-common.c:2897
0x63fd42 lto_main()
gcc-mainline/gcc/lto/lto.c:625
