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Diffstat (limited to 'test/Analysis/uninit-vals.cpp')
-rw-r--r-- | test/Analysis/uninit-vals.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/Analysis/uninit-vals.cpp b/test/Analysis/uninit-vals.cpp new file mode 100644 index 000000000000..387c3754dae4 --- /dev/null +++ b/test/Analysis/uninit-vals.cpp @@ -0,0 +1,34 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=core.builtin -verify -DCHECK_FOR_CRASH %s +// RUN: %clang_cc1 -analyze -analyzer-checker=core -verify %s + +#ifdef CHECK_FOR_CRASH +// expected-no-diagnostics +#endif + +namespace PerformTrivialCopyForUndefs { +struct A { + int x; +}; + +struct B { + A a; +}; + +struct C { + B b; +}; + +void foo() { + C c1; + C *c2; +#ifdef CHECK_FOR_CRASH + // If the value of variable is not defined and checkers that check undefined + // values are not enabled, performTrivialCopy should be able to handle the + // case with undefined values, too. + c1.b.a = c2->b.a; +#else + c1.b.a = c2->b.a; // expected-warning{{Function call argument is an uninitialized value}} +#endif +} +} + |