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24 lines
828 B
24 lines
828 B
4 months ago
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// Test that AddressSanitizer does not re-animate dead globals when dead
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// stripping is turned on.
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//
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// This test verifies that an out-of-bounds access on a global variable is
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// detected after dead stripping has been performed. This proves that the
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// runtime is able to register globals in the __DATA,__asan_globals section.
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// REQUIRES: osx-ld64-live_support
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// RUN: %clang_asan %min_macos_deployment_target=10.11 -Xlinker -dead_strip -o %t %s
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// RUN: llvm-nm -format=posix %t | FileCheck --check-prefix NM-CHECK %s
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// RUN: not %run %t 2>&1 | FileCheck --check-prefix ASAN-CHECK %s
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int alive[1] = {};
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int dead[1] = {};
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// NM-CHECK: {{^_alive }}
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// NM-CHECK-NOT: {{^_dead }}
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int main(int argc, char *argv[]) {
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alive[argc] = 0;
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// ASAN-CHECK: {{0x.* is located 0 bytes to the right of global variable}}
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return 0;
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}
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