https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80609
--- Comment #2 from Michael Matz <matz at gcc dot gnu.org> --- Created attachment 41303 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41303&action=edit preprocessed file % ./gcc/cc1 -fpreprocessed libgcov-driver.i -quiet -dumpbase libgcov-driver.i -auxbase-strip _gcov.o -g -g -O2 -O2 -Wextra -Wall -Wwrite-strings -Wcast-qual -Wformat=0 -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -version -fbuilding-libgcc -fno-stack-protector -fPIC /gcc/spec/sb-terbium-head-64/gcc/libgcc/libgcov-driver.c: In function 'merge_summary.isra.2': /gcc/spec/sb-terbium-head-64/gcc/libgcc/libgcov-driver.c:923:1: internal compiler error: Segmentation fault } ^ 0x40000000017dc5ff crash_signal /gcc/spec/sb-terbium-head-64/gcc/gcc/toplev.c:337 0x40000000008c7570 base_pool_allocator<memory_block_pool>::remove(void*) /gcc/spec/sb-terbium-head-64/gcc/gcc/alloc-pool.h:450 0x4000000000fe994f object_allocator<predicate>::remove(predicate*) /gcc/spec/sb-terbium-head-64/gcc/gcc/alloc-pool.h:520 0x4000000000faceaf reset_inline_summary /gcc/spec/sb-terbium-head-64/gcc/gcc/ipa-inline-analysis.c:1108 0x4000000000fd744f compute_inline_parameters(cgraph_node*, bool) /gcc/spec/sb-terbium-head-64/gcc/gcc/ipa-inline-analysis.c:3028 0x4000000001b564df convert_callers_for_node /gcc/spec/sb-terbium-head-64/gcc/gcc/tree-sra.c:5194 0x400000000085e61f cgraph_node::call_for_symbol_and_aliases(bool (*)(cgraph_node*, void*), void*, bool) /gcc/spec/sb-terbium-head-64/gcc/gcc/cgraph.h:3150 0x4000000001b55a2f convert_callers /gcc/spec/sb-terbium-head-64/gcc/gcc/tree-sra.c:5209 0x4000000001b5a5cf modify_function /gcc/spec/sb-terbium-head-64/gcc/gcc/tree-sra.c:5265 0x4000000001b5acff ipa_early_sra /gcc/spec/sb-terbium-head-64/gcc/gcc/tree-sra.c:5493 0x4000000001b7465f (anonymous namespace)::pass_early_ipa_sra::execute(function*) /gcc/spec/sb-terbium-head-64/gcc/gcc/tree-sra.c:5540