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-rw-r--r--utils/unittest/UnitTestMain/TestMain.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/utils/unittest/UnitTestMain/TestMain.cpp b/utils/unittest/UnitTestMain/TestMain.cpp
index ce32b7380f..5387512e6f 100644
--- a/utils/unittest/UnitTestMain/TestMain.cpp
+++ b/utils/unittest/UnitTestMain/TestMain.cpp
@@ -20,11 +20,16 @@
# endif
#endif
+const char *TestMainArgv0;
+
int main(int argc, char **argv) {
llvm::sys::PrintStackTraceOnErrorSignal();
testing::InitGoogleTest(&argc, argv);
llvm::cl::ParseCommandLineOptions(argc, argv);
+ // Make it easy for a test to re-execute itself by saving argv[0].
+ TestMainArgv0 = argv[0];
+
# if defined(LLVM_ON_WIN32)
// Disable all of the possible ways Windows conspires to make automated
// testing impossible.