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Kernel and Embedded Linux
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// RUN: %clang_cc1 -emit-llvm %s -o /dev/null typedef __SIZE_TYPE__ size_t; void *alloca(size_t size); char *strcpy(char *restrict s1, const char *restrict s2); int puts(const char *s); int main(int argc, char **argv) { char *C = (char*)alloca(argc); strcpy(C, argv[0]); puts(C); }