[Demangle] Include <exception> for IWYU

The called std::terminate currently gets the declaration transitively
through llvm/Demangle/Utility.h, removing <exception> from Utility.h
would break ItaniumDemangle.cpp.

diff --git a/llvm/lib/Demangle/ItaniumDemangle.cpp b/llvm/lib/Demangle/ItaniumDemangle.cpp
index d81fb65..e3f208f 100644 (file)
--- a/llvm/lib/Demangle/ItaniumDemangle.cpp
+++ b/llvm/lib/Demangle/ItaniumDemangle.cpp
@@ -18,6 +18,7 @@
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
+#include <exception>
 #include <functional>
 #include <utility>