forked from OSchip/llvm-project
33 lines
563 B
C++
33 lines
563 B
C++
// RUN: %clang_cc1 -fsyntax-only -verify -Wunused-value %s
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// PR4806
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namespace test0 {
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class Box {
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public:
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int i;
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volatile int j;
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};
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void doit() {
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// pointer to volatile has side effect (thus no warning)
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Box* box = new Box;
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box->i; // expected-warning {{expression result unused}}
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box->j;
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}
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}
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namespace test1 {
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struct Foo {
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int i;
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bool operator==(const Foo& rhs) {
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return i == rhs.i;
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}
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};
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#define NOP(x) (x)
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void b(Foo f1, Foo f2) {
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NOP(f1 == f2); // expected-warning {{expression result unused}}
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}
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#undef NOP
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}
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