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-rw-r--r--clang-tools-extra/test/clang-tidy/checkers/bugprone/not-null-terminated-result-value-dependent-crash.cpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/not-null-terminated-result-value-dependent-crash.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/not-null-terminated-result-value-dependent-crash.cpp
new file mode 100644
index 0000000..5f361c3
--- /dev/null
+++ b/clang-tools-extra/test/clang-tidy/checkers/bugprone/not-null-terminated-result-value-dependent-crash.cpp
@@ -0,0 +1,23 @@
+// RUN: %check_clang_tidy %s bugprone-not-null-terminated-result %t -- \
+// RUN: -- -std=c++17 -I %S/Inputs/not-null-terminated-result
+
+// This test case reproduces the crash when the check tries to evaluate
+// a value-dependent expression using EvaluateAsInt() in
+// bugprone-not-null-terminated-result, where the src parameter of memcpy is
+// value-dependent, but the length is not.
+
+// expected-no-diagnostics
+
+#include "not-null-terminated-result-cxx.h"
+
+template<size_t N>
+class ValueDependentClass {
+public:
+ void copyData(char* Dst) {
+ const char* Src = reinterpret_cast<const char*>(this);
+ // The length parameter is arbitrary, but the crash is not reproduced if it is N.
+ memcpy(Dst, Src, 32);
+ }
+};
+
+template class ValueDependentClass<42>; // The template parameter value is arbitrary.