Add static cast to unsigned char whenever a character classification function is called with a signed char argument, in order to avoid assertions in Windows Debug configuration.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175006 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/FileCheck/FileCheck.cpp b/utils/FileCheck/FileCheck.cpp
index 74442ec..563cab0 100644
--- a/utils/FileCheck/FileCheck.cpp
+++ b/utils/FileCheck/FileCheck.cpp
@@ -242,7 +242,7 @@
}
// Name can't start with a digit.
- if (isdigit(Name[0])) {
+ if (isdigit(static_cast<unsigned char>(Name[0]))) {
SM.PrintMessage(SMLoc::getFromPointer(Name.data()), SourceMgr::DK_Error,
"invalid name in named regex");
return true;