forked from OSchip/llvm-project
59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -analyzer-constraints=range -verify -Wno-null-dereference %s
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// XFAIL
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typedef typeof(sizeof(int)) size_t;
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void malloc (size_t);
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void f1() {
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int const &i = 3; // <--- **FIXME** This is currently not being modeled correctly.
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int b = i;
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int *p = 0;
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if (b != 3)
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*p = 1; // no-warning
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}
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char* ptr();
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char& ref();
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// These next two tests just shouldn't crash.
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char t1 () {
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ref() = 'c';
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return '0';
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}
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// just a sanity test, the same behavior as t1()
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char t2 () {
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*ptr() = 'c';
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return '0';
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}
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// Each of the tests below is repeated with pointers as well as references.
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// This is mostly a sanity check, but then again, both should work!
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char t3 () {
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char& r = ref();
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r = 'c'; // no-warning
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if (r) return r;
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return *(char*)0; // no-warning
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}
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char t4 () {
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char* p = ptr();
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*p = 'c'; // no-warning
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if (*p) return *p;
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return *(char*)0; // no-warning
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}
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char t5 (char& r) {
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r = 'c'; // no-warning
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if (r) return r;
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return *(char*)0; // no-warning
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}
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char t6 (char* p) {
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*p = 'c'; // no-warning
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if (*p) return *p;
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return *(char*)0; // no-warning
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}
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