The following invalid code snippet triggers an ICE since GCC 3.4.0: ===================================== void foo() { asm ("%[x]" : [0](x)); } =====================================
bug.cc: In function 'void foo()': bug.cc:3: error: expected identifier before numeric constant bug.cc:3: error: expected `]' before numeric constant bug.cc:3: error: expected string-literal before numeric constant bug.cc:3: error: expected `(' before numeric constant bug.cc:3: error: expected `)' before ']' token bug.cc:3: error: expected `)' before ']' token bug.cc:3: internal compiler error: tree check: expected string_cst, have error_mark in resolve_operand_name_1, at stmt.c:1320 Please submit a full bug report, [etc.] The bug is similar to PR 30849 and PR 30850, but the crash is in a different function. -- Summary: [4.1/4.2/4.3 regression] ICE with invalid asm statement Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code, error-recovery, monitored Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: reichelt at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30851