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-rw-r--r--clang/test/Analysis/loop-widening.cpp27
1 files changed, 27 insertions, 0 deletions
diff --git a/clang/test/Analysis/loop-widening.cpp b/clang/test/Analysis/loop-widening.cpp
new file mode 100644
index 00000000000..fbcb72dee16
--- /dev/null
+++ b/clang/test/Analysis/loop-widening.cpp
@@ -0,0 +1,27 @@
+// RUN: %clang_analyze_cc1 -verify %s \
+// RUN: -analyzer-checker=core \
+// RUN: -analyzer-config widen-loops=true \
+// RUN: -analyzer-config track-conditions=false \
+// RUN: -analyzer-max-loop 2 -analyzer-output=text
+
+namespace pr43102 {
+class A {
+public:
+ void m_fn1();
+};
+bool g;
+void fn1() {
+ A a;
+ A *b = &a;
+
+ for (;;) { // expected-note{{Loop condition is true. Entering loop body}}
+ // expected-note@-1{{Loop condition is true. Entering loop body}}
+ // expected-note@-2{{Value assigned to 'b'}}
+ // no crash during bug report construction
+
+ g = !b; // expected-note{{Assuming 'b' is null}}
+ b->m_fn1(); // expected-warning{{Called C++ object pointer is null}}
+ // expected-note@-1{{Called C++ object pointer is null}}
+ }
+}
+} // end of namespace pr43102
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