diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index ad58594..96f8462 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -544,7 +544,11 @@ combine_strings (strings) wide_flag = 1; } else - length += (TREE_STRING_LENGTH (t) - 1); + { + length += (TREE_STRING_LENGTH (t) - 1); + if (C_ARTIFICIAL_STRING_P (t) && !in_system_header) + warning ("concatenation of string literals with __FUNCTION__ is deprecated. This feature will be removed in future"); + } } /* If anything is wide, the non-wides will be converted, |