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-rw-r--r--gas/read.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gas/read.c b/gas/read.c
index 800712466b..e23be666dd 100644
--- a/gas/read.c
+++ b/gas/read.c
@@ -1629,7 +1629,10 @@ read_symbol_name (void)
/* Since quoted symbol names can contain non-ASCII characters,
check the string and warn if it cannot be recognised by the
current character set. */
- if (mbstowcs (NULL, name, len) == (size_t) -1)
+ /* PR 29447: mbstowcs ignores the third (length) parameter when
+ the first (destination) parameter is NULL. For clarity sake
+ therefore we pass 0 rather than 'len' as the third parameter. */
+ if (mbstowcs (NULL, name, 0) == (size_t) -1)
as_warn (_("symbol name not recognised in the current locale"));
}
else if (is_name_beginner (c) || (input_from_string && c == FAKE_LABEL_CHAR))