42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
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// RUN: %clang_analyze_cc1 -std=c++14 \
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// RUN: -analyzer-checker=core,debug.ExprInspection \
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// RUN: -verify %s
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void clang_analyzer_eval(bool);
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void clang_analyzer_warnIfReached();
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typedef __typeof__(sizeof(int)) size_t;
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void *operator new(size_t size) throw() {
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return nullptr;
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// expected-warning@-1 {{null returned from function that requires a non-null return value}}
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}
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void *operator new[](size_t size) throw() {
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return nullptr;
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// expected-warning@-1 {{null returned from function that requires a non-null return value}}
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}
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struct S {
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int x;
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S() : x(1) {
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// FIXME: Constructor should not be called with null this, even if it was
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// returned by operator new().
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clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
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}
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~S() {}
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};
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void testArrays() {
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S *s = new S[10]; // no-crash
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s[0].x = 2;
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// no-warning: 'Dereference of null pointer' suppressed by ReturnVisitor.
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}
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int global;
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void testInvalidationOnConstructionIntoNull() {
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global = 0;
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S *s = new S();
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// FIXME: Should be FALSE - we should not invalidate globals.
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clang_analyzer_eval(global); // expected-warning{{UNKNOWN}}
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}
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