https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105852
Bug ID: 105852 Summary: ice in instantiate_decl Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- Created attachment 53085 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53085&action=edit gzipped C++ source code For the attached C code, recent gcc does this: $ /home/dcb/gcc/results.20220528.asan.ubsan/bin/gcc -c -w -O1 bug469.cc $ /home/dcb/gcc/results.20220604.asan.ubsan/bin/gcc -c -w -O1 bug469.cc In file included from ../deps/v8/src/handles.h:8, from ../deps/v8/src/builtins.h:9, from ../deps/v8/src/builtins.cc:5: ../deps/v8/include/v8.h:8013:22: internal compiler error: Segmentation fault 0x1091949 crash_signal(int) /home/dcb/gcc/working/gcc/../../trunk.git/gcc/toplev.cc:322 0x943705 tree_check(tree_node*, char const*, int, char const*, tree_code) ../../trunk.git/gcc/tree.h:3510 0x943705 instantiate_decl(tree_node*, bool, bool) /home/dcb/gcc/working/gcc/../../trunk.git/gcc/cp/pt.cc:26483 0x95b8c5 instantiate_pending_templates(int) /home/dcb/gcc/working/gcc/../../trunk.git/gcc/cp/pt.cc:26803 $ Seems to be broken again sometime between git hash 919822adc923b00e and aec868578d851576. I will have my usual go at reducing the code.