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authordim <dim@FreeBSD.org>2012-08-19 10:33:04 +0000
committerdim <dim@FreeBSD.org>2012-08-19 10:33:04 +0000
commitcc73504950eb7b5dff2dded9bedd67bc36d64641 (patch)
tree5b9c2fa9d79942fbdce3d618e37e27c18263af9a /test/Analysis/reinterpret-cast.cpp
parent554bcb69c2d785a011a30e7db87a36a87fe7db10 (diff)
downloadFreeBSD-src-cc73504950eb7b5dff2dded9bedd67bc36d64641.zip
FreeBSD-src-cc73504950eb7b5dff2dded9bedd67bc36d64641.tar.gz
Vendor import of clang trunk r162107:
http://llvm.org/svn/llvm-project/cfe/trunk@162107
Diffstat (limited to 'test/Analysis/reinterpret-cast.cpp')
-rw-r--r--test/Analysis/reinterpret-cast.cpp20
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Analysis/reinterpret-cast.cpp b/test/Analysis/reinterpret-cast.cpp
new file mode 100644
index 0000000..73f2e2d
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+++ b/test/Analysis/reinterpret-cast.cpp
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -analyzer-ipa=inlining -verify %s
+
+void clang_analyzer_eval(bool);
+
+typedef struct Opaque *Data;
+struct IntWrapper {
+ int x;
+};
+
+struct Child : public IntWrapper {
+ void set() { x = 42; }
+};
+
+void test(Data data) {
+ Child *wrapper = reinterpret_cast<Child*>(data);
+ // Don't crash when upcasting here.
+ // We don't actually know if 'data' is a Child.
+ wrapper->set();
+ clang_analyzer_eval(wrapper->x == 42); // expected-warning{{TRUE}}
+}
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