https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112898
Bug ID: 112898 Summary: ICE: in make_ssa_name_fn, at tree-ssanames.cc:354 with -O2 -finstrument-functions-once Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: iamanonymous.cs at gmail dot com Target Milestone: --- ******************************************************************************* OS and Platform: $ uname -a: Linux ubuntu 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ******************************************************************************* gcc version: $ gcc -v Using built-in specs. COLLECT_GCC=/root/gcc_set/202311291030/bin/gcc COLLECT_LTO_WRAPPER=/root/gcc_set/202311291030/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc/configure --prefix=/root/gcc_set/202311291030 --with-gmp=/root/build_essential --with-mpfr=/root/build_essential --with-mpc=/root/build_essential --enable-languages=c,c++ --disable-multilib --with-sanitizer=address,undefined,thread,leak Thread model: posix Supported LTO compression algorithms: zlib gcc version 14.0.0 20231129 (experimental) (GCC) git version: 99fa0bfd63d97825c4221dcd3123940f1d0e6291 ******************************************************************************* Program: $ cat mutant.c void func(int n) { struct T { int x[n]; }; struct T *t = __builtin_malloc(sizeof *t); } ******************************************************************************* Command Lines: $ gcc -O2 -finstrument-functions-once mutant.c during GIMPLE pass: fnsplit In function ‘func.part.0’: cc1: internal compiler error: in make_ssa_name_fn, at tree-ssanames.cc:354 0x848332 make_ssa_name_fn(function*, tree_node*, gimple*, unsigned int) ../../gcc/gcc/tree-ssanames.cc:354 0x109c94b make_ssa_name(tree_node*, gimple*) ../../gcc/gcc/tree-ssanames.h:98 0x109c94b remap_ssa_name ../../gcc/gcc/tree-inline.cc:237 0x10a0462 copy_tree_body_r(tree_node**, int*, void*) ../../gcc/gcc/tree-inline.cc:1226 0x1343f4c walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*, tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*)) ../../gcc/gcc/tree.cc:11420 0x13440a4 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*, tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*)) ../../gcc/gcc/tree.cc:11654 0x109ad43 remap_type_1 ../../gcc/gcc/tree-inline.cc:596 0x109b6c3 remap_type(tree_node*, copy_body_data*) ../../gcc/gcc/tree-inline.cc:713 0x109b805 remap_decl(tree_node*, copy_body_data*) ../../gcc/gcc/tree-inline.cc:377 0x109af15 remap_type_1 ../../gcc/gcc/tree-inline.cc:562 0x109b6c3 remap_type(tree_node*, copy_body_data*) ../../gcc/gcc/tree-inline.cc:713 0x109b805 remap_decl(tree_node*, copy_body_data*) ../../gcc/gcc/tree-inline.cc:377 0x109daf4 remap_decls ../../gcc/gcc/tree-inline.cc:762 0x109de54 remap_block ../../gcc/gcc/tree-inline.cc:820 0x109df25 remap_blocks ../../gcc/gcc/tree-inline.cc:839 0x10a5e1b tree_function_versioning(tree_node*, tree_node*, vec<ipa_replace_map*, va_gc, vl_embed>*, ipa_param_adjustments*, bool, bitmap_head*, basic_block_def*) ../../gcc/gcc/tree-inline.cc:6310 0xb27bfe cgraph_node::create_version_clone_with_body(vec<cgraph_edge*, va_heap, vl_ptr>, vec<ipa_replace_map*, va_gc, vl_embed>*, ipa_param_adjustments*, bitmap_head*, basic_block_def*, char const*, tree_node*, bool) ../../gcc/gcc/cgraphclones.cc:1073 0x1ef4f48 split_function ../../gcc/gcc/ipa-split.cc:1376 0x1ef8f62 execute_split_functions ../../gcc/gcc/ipa-split.cc:1886 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Also ICE on trunk, compiler explorer: https://godbolt.org/z/P4sdPancG