YouCompleteMe/cpp/llvm/tools/clang/test/SemaObjC/ucn-objc-string.m

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// RUN: %clang_cc1 %s -verify -fsyntax-only
@class NSString;
extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
int main() {
NSLog(@"Hi…");
NSLog(@"Exposé");
NSLog(@"\U00010400\U0001D12B");
NSLog(@"hello \u2192 \u2603 \u2190 world");
NSLog(@"hello → ☃ ← world");
return 0;
}