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// Check that we detect malloc/delete mismatch only if the approptiate flag
// is set.
// RUN: %clangxx_asan -g %s -o %t 2>&1
// Find error and provide malloc context.
// RUN: ASAN_OPTIONS=alloc_dealloc_mismatch=1 not %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=ALLOC-STACK
// No error here.
// RUN: ASAN_OPTIONS=alloc_dealloc_mismatch=0 %t
// Also works if no malloc context is available.
// RUN: ASAN_OPTIONS=alloc_dealloc_mismatch=1:malloc_context_size=0:fast_unwind_on_malloc=0 not %t 2>&1 | FileCheck %s
// RUN: ASAN_OPTIONS=alloc_dealloc_mismatch=1:malloc_context_size=0:fast_unwind_on_malloc=1 not %t 2>&1 | FileCheck %s
#include <stdlib.h>
static volatile char *x;
int main() {
x = (char*)malloc(10);
x[0] = 0;
delete x;
}
// CHECK: ERROR: AddressSanitizer: alloc-dealloc-mismatch (malloc vs operator delete) on 0x
// CHECK-NEXT: #0{{.*}}operator delete
// CHECK: #{{.*}}main
// CHECK: is located 0 bytes inside of 10-byte region
// CHECK-NEXT: allocated by thread T0 here:
// ALLOC-STACK-NEXT: #0{{.*}}malloc
// ALLOC-STACK: #{{.*}}main
// CHECK: HINT: {{.*}} you may set ASAN_OPTIONS=alloc_dealloc_mismatch=0
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