Elimate bogus warning when va_start is correctly used in
a method.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46232 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/va-method-1.m b/test/Sema/va-method-1.m
new file mode 100644
index 0000000..077982a
--- /dev/null
+++ b/test/Sema/va-method-1.m
@@ -0,0 +1,17 @@
+// RUN: clang -fsyntax-only -verify %s
+
+#include <stdarg.h>
+
+@interface NSObject @end
+@interface XX : NSObject @end
+
+@implementation XX
+- (void)encodeValuesOfObjCTypes:(const char *)types, ... {
+   va_list ap;
+   va_start(ap, types); 
+   while (*types) ;
+   va_end(ap);
+}
+
+@end
+
diff --git a/test/Sema/va-method.m b/test/Sema/va-method.m
index 1393af1..2582869 100644
--- a/test/Sema/va-method.m
+++ b/test/Sema/va-method.m
@@ -8,7 +8,7 @@
 @implementation XX
 - (void)encodeValuesOfObjCTypes:(const char *)types, ... {
    va_list ap;
-   va_start(ap, types); // expected-warning {{second parameter of 'va_start' not last named argument}}
+   va_start(ap, types); 
    while (*types) ;
    va_end(ap);
 }