test/CodeGen/pascal-string.c - clang - Git at Google

 // RUN: clang-cc -emit-llvm -o - %s -fpascal-strings | grep "05Hello"

 unsigned char * Foo( void )
 {
   static unsigned char s[256] = "\pHello";
   return s;
 }
	// RUN: clang-cc -emit-llvm -o - %s -fpascal-strings \| grep "05Hello"

	unsigned char * Foo( void )
	{
	static unsigned char s[256] = "\pHello";
	return s;
	}