diff options
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 9d82b9a..100f5a7 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -6272,12 +6272,18 @@ finish_function (void) if (flag_isoc99) { tree stmt = c_finish_return (integer_zero_node); +#ifdef USE_MAPPED_LOCATION + /* Hack. We don't want the middle-end to warn that this return + is unreachable, so we mark its location as special. Using + UNKNOWN_LOCATION has the problem that it gets clobbered in + annotate_one_with_locus. A cleaner solution might be to + ensure ! should_carry_locus_p (stmt), but that needs a flag. + */ + SET_EXPR_LOCATION (stmt, BUILTINS_LOCATION); +#else /* Hack. We don't want the middle-end to warn that this return is unreachable, so put the statement on the special line 0. */ -#ifdef USE_MAPPED_LOCATION - SET_EXPR_LOCATION (stmt, UNKNOWN_LOCATION); -#else annotate_with_file_line (stmt, input_filename, 0); #endif } |