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// Tests -fsanitize-coverage=stack-depth
//
// XFAIL: tsan
//
// RUN: %clangxx -O0 -std=c++11 -fsanitize-coverage=stack-depth %s -o %t
// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not Assertion{{.*}}failed
// RUN: %clangxx -O0 -std=c++11 -fsanitize-coverage=trace-pc-guard,stack-depth \
// RUN: %s -o %t
// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not Assertion{{.*}}failed
#include <cstdint>
#include <cstdio>
#include <cassert>
thread_local uintptr_t __sancov_lowest_stack;
uintptr_t last_stack;
void foo(int recurse) {
assert(__sancov_lowest_stack < last_stack);
last_stack = __sancov_lowest_stack;
if (recurse <= 0) return;
foo(recurse - 1);
}
int main() {
last_stack = __sancov_lowest_stack;
foo(100);
printf("Success!\n");
return 0;
}
// CHECK: Success!
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