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24 lines
832 B
24 lines
832 B
4 months ago
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// Test -fsanitize-memory-use-after-dtor
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// RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
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struct Simple {
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int x_;
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Simple() {
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x_ = 5;
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}
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~Simple() {
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x_ += 1;
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}
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};
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Simple s;
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// Simple internal member is poisoned by compiler-generated dtor
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// CHECK: define {{.*}}SimpleD2Ev{{.*}} [[ATTRIBUTE:#[0-9]+]]
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// CHECK: {{^ *}}call void @__sanitizer_dtor_callback
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// CHECK-NOT: call void @__sanitizer_dtor_callback
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// CHECK: ret void
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// Destructor does not emit any tail calls
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// CHECK: attributes [[ATTRIBUTE]] = {{.*}}"disable-tail-calls"="true"
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