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// RUN: %clang_cl_asan -O0 %s -Fe%t
// RUN: not %run %t 2>&1 | FileCheck %s
#include <windows.h>
DWORD WINAPI thread_proc(void *) {
int subscript = -1;
volatile char stack_buffer[42];
stack_buffer[subscript] = 42;
// CHECK: AddressSanitizer: stack-buffer-underflow on address [[ADDR:0x[0-9a-f]+]]
// CHECK: WRITE of size 1 at [[ADDR]] thread T1
// CHECK: {{#0 .* thread_proc.*thread_stack_array_left_oob.cc}}:[[@LINE-3]]
// CHECK: Address [[ADDR]] is located in stack of thread T1 at offset {{.*}} in frame
// CHECK: thread_proc
return 0;
}
int main() {
HANDLE thr = CreateThread(NULL, 0, thread_proc, NULL, 0, NULL);
// CHECK: Thread T1 created by T0 here:
// CHECK: {{#[01] .* main .*thread_stack_array_left_oob.cc}}:[[@LINE-2]]
// A failure to create a thread should fail the test!
if (thr == 0) return 0;
WaitForSingleObject(thr, INFINITE);
}
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