78 lines
1.1 KiB
C++
78 lines
1.1 KiB
C++
// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,debug.ExprInspection -verify %s
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// REQUIRES: LP64
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void clang_analyzer_eval(bool);
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int f1(char *dst) {
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char *p = dst + 4;
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char *q = dst + 3;
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return !(q >= p);
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}
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long f2(char *c) {
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return long(c) & 1;
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}
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bool f3() {
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return !false;
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}
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void *f4(int* w) {
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return reinterpret_cast<void*&>(w);
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}
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namespace {
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struct A { };
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struct B {
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operator A() { return A(); }
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};
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A f(char *dst) {
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B b;
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return b;
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}
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}
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namespace {
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struct S {
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void *p;
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};
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void *f(S* w) {
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return &reinterpret_cast<void*&>(*w);
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}
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}
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namespace {
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struct C {
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void *p;
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static void f();
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};
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void C::f() { }
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}
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void vla(int n) {
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int nums[n];
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nums[0] = 1;
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clang_analyzer_eval(nums[0] == 1); // expected-warning{{TRUE}}
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// This used to fail with MallocChecker on, and /only/ in C++ mode.
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// This struct is POD, though, so it should be fine to put it in a VLA.
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struct { int x; } structs[n];
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structs[0].x = 1;
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clang_analyzer_eval(structs[0].x == 1); // expected-warning{{TRUE}}
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}
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void useIntArray(int []);
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void testIntArrayLiteral() {
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useIntArray((int []){ 1, 2, 3 });
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}
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