Include <cctype> to get std::isdigit, fixes MSVC STL build

llvm-svn: 330886

diff --git a/clang/lib/Driver/ToolChains/Arch/RISCV.cpp b/clang/lib/Driver/ToolChains/Arch/RISCV.cpp
index 18f5982..4f0ddd6 100644 (file)
--- a/clang/lib/Driver/ToolChains/Arch/RISCV.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/RISCV.cpp
@@ -14,6 +14,7 @@
 #include "llvm/Option/ArgList.h"
 #include "llvm/Support/TargetParser.h"
 #include "llvm/Support/raw_ostream.h"
+#include <cctype>
 
 using namespace clang::driver;
 using namespace clang::driver::tools;