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1// RUN: %clang_analyze_cc1 -analyzer-checker=optin.taint,debug.TaintTest %s -verify2// expected-no-diagnostics3 4#import <stdarg.h>5 6@interface NSString7- (NSString *)stringByAppendingString:(NSString *)aString;8@end9extern void NSLog (NSString *format, ...);10extern void NSLogv(NSString *format, va_list args);11 12void TestLog (NSString *format, ...);13void TestLog (NSString *format, ...) {14 va_list ap;15 va_start(ap, format);16 NSString *string = @"AAA: ";17 18 NSLogv([string stringByAppendingString:format], ap);19 20 va_end(ap);21}