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-rw-r--r--llvm/unittests/Support/CommandLineTest.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/unittests/Support/CommandLineTest.cpp b/llvm/unittests/Support/CommandLineTest.cpp
index b0f1eb1ad6a..b2d71ab795c 100644
--- a/llvm/unittests/Support/CommandLineTest.cpp
+++ b/llvm/unittests/Support/CommandLineTest.cpp
@@ -23,7 +23,7 @@ class TempEnvVar {
TempEnvVar(const char *name, const char *value)
: name(name) {
const char *old_value = getenv(name);
- EXPECT_EQ(NULL, old_value) << old_value;
+ EXPECT_EQ(nullptr, old_value) << old_value;
#if HAVE_SETENV
setenv(name, value, true);
#else
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