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Diffstat (limited to 'clang/test/Sema/varargs.c')
| -rw-r--r-- | clang/test/Sema/varargs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/test/Sema/varargs.c b/clang/test/Sema/varargs.c index 2cb7270..bec41dd 100644 --- a/clang/test/Sema/varargs.c +++ b/clang/test/Sema/varargs.c @@ -75,6 +75,11 @@ void f9(__builtin_va_list args) (void)__builtin_va_arg(args, enum E); // Don't warn here in C (void)__builtin_va_arg(args, short); // expected-warning {{second argument to 'va_arg' is of promotable type 'short'}} (void)__builtin_va_arg(args, char); // expected-warning {{second argument to 'va_arg' is of promotable type 'char'}} + // Don't crash on some undefined behaviors. + int n; + (void)__builtin_va_arg(args, int[10]); // expected-warning{{second argument to 'va_arg' is of array type 'int[10]'}} + (void)__builtin_va_arg(args, int[++n]); // expected-warning{{second argument to 'va_arg' is of array type 'int[++n]'}} + (void)__builtin_va_arg(args, int[n][n]); // expected-warning{{second argument to 'va_arg' is of array type 'int[n][n]'}} } void f10(int a, ...) { |