32 lines
875 B
C++
32 lines
875 B
C++
// RUN: clang-cc -fsyntax-only -verify %s
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// rdar://6425550
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int bar();
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void do_something(int);
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int foo() {
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if (int X = bar()) {
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return X;
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} else {
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do_something(X); // expected-warning{{'X' is always zero in this context}}
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return 0;
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}
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}
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bool foo2() {
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if (bool B = bar()) {
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if (int Y = bar()) {
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return B;
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} else {
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do_something(Y); // expected-warning{{'Y' is always zero in this context}}
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return B;
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}
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} else {
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if (bool B2 = B) { // expected-warning{{'B' is always false in this context}}
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do_something(B); // expected-warning{{'B' is always false in this context}}
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} else if (B2) { // expected-warning{{'B2' is always false in this context}}
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do_something(B); // expected-warning{{'B' is always false in this context}}
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}
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return B; // expected-warning{{'B' is always false in this context}}
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}
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}
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