The 'l' length modifier makes sense with the scanlist conversion specifier.

llvm-svn: 148586

1 files changed, 4 insertions, 1 deletions

diff --git a/clang/test/Sema/format-strings-scanf.c b/clang/test/Sema/format-strings-scanf.c
index e954958c523..6962a976113 100644
--- a/clang/test/Sema/format-strings-scanf.c
+++ b/clang/test/Sema/format-strings-scanf.c
@@ -71,9 +71,11 @@ void test_variants(int *i, const char *s, ...) {
   vsscanf(buf, "%[abc", ap); // expected-warning{{no closing ']' for '%[' in scanf format string}}
 }
 
-void test_scanlist(int *ip, char *sp) {
+void test_scanlist(int *ip, char *sp, wchar_t *ls) {
   scanf("%[abc]", ip); // expected-warning{{format specifies type 'char *' but the argument has type 'int *'}}
   scanf("%h[abc]", sp); // expected-warning{{length modifier 'h' results in undefined behavior or no effect with '[' conversion specifier}}
+  scanf("%l[xyx]", ls); // no-warning
+  scanf("%ll[xyx]", ls); // expected-warning {{length modifier 'll' results in undefined behavior or no effect with '[' conversion specifier}}
 }
 
 void test_alloc_extension(char **sp, wchar_t **lsp, float *fp) {
@@ -100,3 +102,4 @@ void test_alloc_extension(char **sp, wchar_t **lsp, float *fp) {
   scanf("%mC", fp); // expected-warning{{format specifies type 'wchar_t **' (aka 'int **') but the argument has type 'float *'}}
   scanf("%m[abc]", fp); // expected-warning{{format specifies type 'char **' but the argument has type 'float *'}}
 }
+