Define __SIG_ATOMIC_WIDTH__ for use in stdint.h.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89597 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index a6b4e65..972c21f 100644
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -401,6 +401,7 @@
DefineTypeWidth("__WCHAR_WIDTH__", TI.getWCharType(), TI, Buf);
DefineType("__WINT_TYPE__", TI.getWIntType(), Buf);
DefineTypeWidth("__WINT_WIDTH__", TI.getWIntType(), TI, Buf);
+ DefineTypeWidth("__SIG_ATOMIC_WIDTH__", TI.getSigAtomicType(), TI, Buf);
DefineFloatMacros(Buf, "FLT", &TI.getFloatFormat());
DefineFloatMacros(Buf, "DBL", &TI.getDoubleFormat());