c4992bf593
Unnecessary with -fsanitize-address-use-after-return=never. for issue: https://github.com/google/sanitizers/issues/1394 Reviewed By: vitalybuka Differential Revision: https://reviews.llvm.org/D104154
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
// RUN: %clangxx_asan -fsanitize-address-use-after-return=never -O %s -o %t && %run %t
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#include <assert.h>
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#include <stdio.h>
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#include <sanitizer/asan_interface.h>
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__attribute__((noinline))
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void Throw() {
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int local;
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fprintf(stderr, "Throw: %p\n", &local);
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throw 1;
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}
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__attribute__((noinline))
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void ThrowAndCatch() {
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int local;
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try {
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Throw();
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} catch(...) {
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fprintf(stderr, "Catch: %p\n", &local);
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}
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}
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__attribute__((noinline))
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void TestThrow() {
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char x[32];
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fprintf(stderr, "Before: %p poisoned: %d\n", &x,
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__asan_address_is_poisoned(x + 32));
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assert(__asan_address_is_poisoned(x + 32));
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ThrowAndCatch();
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fprintf(stderr, "After: %p poisoned: %d\n", &x,
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__asan_address_is_poisoned(x + 32));
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assert(!__asan_address_is_poisoned(x + 32));
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}
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__attribute__((noinline))
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void TestThrowInline() {
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char x[32];
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fprintf(stderr, "Before: %p poisoned: %d\n", &x,
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__asan_address_is_poisoned(x + 32));
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assert(__asan_address_is_poisoned(x + 32));
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try {
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Throw();
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} catch(...) {
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fprintf(stderr, "Catch\n");
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}
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fprintf(stderr, "After: %p poisoned: %d\n", &x,
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__asan_address_is_poisoned(x + 32));
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assert(!__asan_address_is_poisoned(x + 32));
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}
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int main(int argc, char **argv) {
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TestThrowInline();
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TestThrow();
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}
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