https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97578
Zhendong Su <su at cs dot ucdavis.edu> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |su at cs dot ucdavis.edu --- Comment #4 from Zhendong Su <su at cs dot ucdavis.edu> --- Another test for the same crash (at -Os and -O2 w/o -g, but not at -O3): [533] % gcctk -O2 -c small.c during IPA pass: inline small.c: In function āeā: small.c:10:3: internal compiler error: Segmentation fault 10 | b(d); | ^~~~ 0xcf71ef crash_signal ../../gcc-trunk/gcc/toplev.c:330 0x825aad function_summary<clone_info*>::get(cgraph_node*) ../../gcc-trunk/gcc/symbol-summary.h:212 0x825aad clone_info::get(cgraph_node*) ../../gcc-trunk/gcc/symtab-clones.h:70 0x825aad cgraph_edge::redirect_call_stmt_to_callee(cgraph_edge*) ../../gcc-trunk/gcc/cgraph.c:1495 0xd932bf redirect_all_calls(copy_body_data*, basic_block_def*) ../../gcc-trunk/gcc/tree-inline.c:2963 0xd9697e copy_cfg_body ../../gcc-trunk/gcc/tree-inline.c:3118 0xd9697e copy_body ../../gcc-trunk/gcc/tree-inline.c:3294 0xd99ec0 expand_call_inline ../../gcc-trunk/gcc/tree-inline.c:5084 0xd9beb9 gimple_expand_calls_inline ../../gcc-trunk/gcc/tree-inline.c:5274 0xd9beb9 optimize_inline_calls(tree_node*) ../../gcc-trunk/gcc/tree-inline.c:5447 0xa968fb inline_transform(cgraph_node*) ../../gcc-trunk/gcc/ipa-inline-transform.c:763 0xc00f79 execute_one_ipa_transform_pass ../../gcc-trunk/gcc/passes.c:2240 0xc00f79 execute_all_ipa_transforms(bool) ../../gcc-trunk/gcc/passes.c:2287 0x82dbf5 cgraph_node::expand() ../../gcc-trunk/gcc/cgraphunit.c:1822 0x82f596 expand_all_functions ../../gcc-trunk/gcc/cgraphunit.c:1997 0x82f596 symbol_table::compile() ../../gcc-trunk/gcc/cgraphunit.c:2361 0x832b6f symbol_table::compile() ../../gcc-trunk/gcc/cgraphunit.c:2545 0x832b6f symbol_table::finalize_compilation_unit() ../../gcc-trunk/gcc/cgraphunit.c:2542 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. [534] % [534] % cat small.c int printf (const char *, ...); int a; static void b(int c) { if (c) printf("%d", a); } void e() { int d = 0; b(d); }