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51 lines
1.1 KiB
51 lines
1.1 KiB
// RUN: %clang_cc1 -std=c++14 -fsyntax-only -analyze -analyzer-checker=core,deadcode,debug.ExprInspection -verify %s
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int clang_analyzer_eval(int);
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void generalizedCapture() {
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int v = 7;
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auto lambda = [x=v]() {
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return x;
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};
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int result = lambda();
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clang_analyzer_eval(result == 7); // expected-warning {{TRUE}}
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}
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void sideEffectsInGeneralizedCapture() {
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int v = 7;
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auto lambda = [x=v++]() {
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return x;
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};
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clang_analyzer_eval(v == 8); // expected-warning {{TRUE}}
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int r1 = lambda();
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int r2 = lambda();
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clang_analyzer_eval(r1 == 7); // expected-warning {{TRUE}}
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clang_analyzer_eval(r2 == 7); // expected-warning {{TRUE}}
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clang_analyzer_eval(v == 8); // expected-warning {{TRUE}}
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}
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int addOne(int p) {
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return p + 1;
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}
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void inliningInGeneralizedCapture() {
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int v = 7;
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auto lambda = [x=addOne(v)]() {
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return x;
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};
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int result = lambda();
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clang_analyzer_eval(result == 8); // expected-warning {{TRUE}}
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}
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void caseSplitInGeneralizedCapture(bool p) {
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auto lambda = [x=(p ? 1 : 2)]() {
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return x;
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};
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int result = lambda();
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clang_analyzer_eval(result == 1); // expected-warning {{FALSE}} expected-warning {{TRUE}}
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}
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