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-rw-r--r--clang/lib/Frontend/InitPreprocessor.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 9da37e0a446..95d9f62c608 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -990,6 +990,10 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
else if (LangOpts.getStackProtector() == LangOptions::SSPReq)
Builder.defineMacro("__SSP_ALL__", "3");
+ // Define a macro that exists only when using the static analyzer.
+ if (FEOpts.ProgramAction == frontend::RunAnalysis)
+ Builder.defineMacro("__clang_analyzer__");
+
if (LangOpts.FastRelaxedMath)
Builder.defineMacro("__FAST_RELAXED_MATH__");
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