https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98267
Bug ID: 98267 Summary: internal compiler error: verify_ssa failed Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: ryan.burn at gmail dot com Target Milestone: --- Compiling valgrind-3.16.1 fails with the error message below using the latest version of gcc. gcc --version root@929ac6d10aed:/valgrind/valgrind-3.16.1# gcc --version gcc (GCC) 11.0.0 20201213 (experimental) Copyright (C) 2020 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ################### Error m_debuginfo/readpdb.c: In function 'DEBUG_SnarfLinetab': m_debuginfo/readpdb.c:1631:16: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 1631 | if (debug) | ^~ In file included from ./pub_core_basics.h:38, from m_debuginfo/readpdb.c:38: ../include/pub_tool_basics.h:69:30: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 69 | #define ML_(str) VGAPPEND(vgModuleLocal_, str) | ^~~~~~~~~~~~~~ ../include/pub_tool_basics.h:66:29: note: in definition of macro 'VGAPPEND' 66 | #define VGAPPEND(str1,str2) str1##str2 | ^~~~ m_debuginfo/readpdb.c:1636:19: note: in expansion of macro 'ML_' 1636 | ML_(addLineInfo)( | ^~~ m_debuginfo/readpdb.c: In function 'pdb_dump.constprop': m_debuginfo/readpdb.c:1902:13: error: definition in block 66 follows the use 1902 | static void pdb_dump( const struct pdb_reader* pdb, | ^~~~~~~~ for SSA_NAME: _144 in statement: _928 = .ADD_OVERFLOW (_142, _144); during GIMPLE pass: widening_mul m_debuginfo/readpdb.c:1902:13: internal compiler error: verify_ssa failed 0xffff5f verify_ssa(bool, bool) ../../gcc/tree-ssa.c:1214 0xd0932d execute_function_todo ../../gcc/passes.c:2049 0xd09c7b execute_todo ../../gcc/passes.c:2096 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report.