diff options
Diffstat (limited to 'gcc/cp/lex.c')
| -rw-r--r-- | gcc/cp/lex.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/cp/lex.c b/gcc/cp/lex.c index 6157b7f10ff..c7b1cf6e12f 100644 --- a/gcc/cp/lex.c +++ b/gcc/cp/lex.c @@ -471,7 +471,7 @@ handle_pragma_interface (cpp_reader* dfile ATTRIBUTE_UNUSED ) else if (fname == 0) main_filename = lbasename (input_filename); else - main_filename = TREE_STRING_POINTER (fname); + main_filename = ggc_strdup (TREE_STRING_POINTER (fname)); finfo = get_fileinfo (input_filename); @@ -519,7 +519,7 @@ handle_pragma_implementation (cpp_reader* dfile ATTRIBUTE_UNUSED ) } else { - main_filename = TREE_STRING_POINTER (fname); + main_filename = ggc_strdup (TREE_STRING_POINTER (fname)); if (cpp_included (parse_in, main_filename)) warning ("#pragma implementation for %s appears after file is included", main_filename); @@ -572,6 +572,9 @@ unqualified_name_lookup_error (tree name) decl = build_decl (VAR_DECL, name, error_mark_node); DECL_CONTEXT (decl) = current_function_decl; push_local_binding (name, decl, 0); + /* Mark the variable as used so that we do not get warnings + about it being unused later. */ + TREE_USED (decl) = 1; } } |