Differential D6096 Diff 26546 test/safestack/pthread-cleanup.c

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				// RUN: %clang_safestack %s -pthread -o %t
				// RUN: not --crash %run %t

				// Test that unsafe stacks are deallocated correctly on thread exit.

				#include <stdlib.h>
				#include <string.h>
				#include <pthread.h>

				enum { kBufferSize = (1 << 15) };

				void t1_start(void ptr)
				{
				char buffer[kBufferSize];
				return buffer;
				}

				int main(int argc, char **argv)
				{
				pthread_t t1;
				char *buffer = NULL;

				if (pthread_create(&t1, NULL, t1_start, NULL))
				abort();
				if (pthread_join(t1, &buffer))
				abort();

				// should segfault here
				memset(buffer, 0, kBufferSize);
				return 0;
				}