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Differential D72011 Diff 235662 compiler-rt/test/asan/TestCases/Windows/localrealloc.cpp

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				// RUN: %clang_cl_asan /Od %s -Fe%t
				// RUN: %env_asan_opts=windows_hook_rtl_allocators=true not %run %t 2>&1 \| FileCheck %s
				// UNSUPPORTED: asan-64-bits
				#include <stdio.h>
				#include <windows.h>
				#include <winbase.h>

				int main() {
				char *oldbuf;
				size_t sz = 8;
				oldbuf = (char *)LocalAlloc(LMEM_FIXED, sz);
				char *newbuf = oldbuf;
				while (oldbuf == newbuf) {
				sz *= 2;
				newbuf = (char *)LocalReAlloc(oldbuf, sz, LMEM_ZEROINIT);
				}

				newbuf[0] = 'a';
				oldbuf[0] = 'a';
				// CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]]
				// CHECK: WRITE of size 1 at [[WRITE2:0x[0-9a-f]+]] thread T0
				// CHECK: #0 {{0x[0-9a-f]+ in main.*}}:[[@LINE-3]]
				}
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