xref: /aosp_15_r20/external/clang/test/SemaCXX/uninit-variables-conditional.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -Wconditional-uninitialized -fsyntax-only %s -verify
2*67e74705SXin Li 
3*67e74705SXin Li class Foo {
4*67e74705SXin Li public:
5*67e74705SXin Li   Foo();
6*67e74705SXin Li   ~Foo();
7*67e74705SXin Li   operator bool();
8*67e74705SXin Li };
9*67e74705SXin Li 
10*67e74705SXin Li int bar();
11*67e74705SXin Li int baz();
12*67e74705SXin Li int init(double *);
13*67e74705SXin Li 
14*67e74705SXin Li // This case flags a false positive under -Wconditional-uninitialized because
15*67e74705SXin Li // the destructor in Foo fouls about the minor bit of path-sensitivity in
16*67e74705SXin Li // -Wuninitialized.
test()17*67e74705SXin Li double test() {
18*67e74705SXin Li   double x; // expected-note{{initialize the variable 'x' to silence this warning}}
19*67e74705SXin Li   if (bar() || baz() || Foo() || init(&x))
20*67e74705SXin Li     return 1.0;
21*67e74705SXin Li 
22*67e74705SXin Li   return x; // expected-warning {{variable 'x' may be uninitialized when used here}}
23*67e74705SXin Li }
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