vendor/clang/clang-r114020

1 files changed, 15 insertions, 0 deletions

diff --git a/test/Analysis/idempotent-operations.cpp b/test/Analysis/idempotent-operations.cpp
new file mode 100644
index 0000000000000..c5d1ceb8aff02
--- /dev/null
+++ b/test/Analysis/idempotent-operations.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -analyze -analyzer-store=region -analyzer-constraints=range -fblocks -analyzer-opt-analyze-nested-blocks -analyzer-check-objc-mem -analyzer-check-idempotent-operations -verify %s
+
+// C++ specific false positives
+
+extern void test(int i);
+extern void test_ref(int &i);
+
+// Test references affecting pseudoconstants
+void false1() {
+  int a = 0;
+  int five = 5;
+  int &b = a;
+   test(five * a); // expected-warning {{The right operand to '*' is always 0}}
+   b = 4;
+}