llvm-project/compiler-rt/test/asan/TestCases/force_inline_opt0.cpp

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// This test checks that we are no instrumenting a memory access twice
// (before and after inlining)
// RUN: %clangxx_asan -O1 %s -o %t && %run %t
// RUN: %clangxx_asan -O0 %s -o %t && %run %t
__attribute__((always_inline))
void foo(int *x) {
*x = 0;
}
int main() {
int x;
foo(&x);
return x;
}