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.

llvm-svn: 175006

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/TargetInstrInfo.cpp b/llvm/lib/CodeGen/TargetInstrInfo.cpp
index d5fbf14d27b..20eb9187931 100644
--- a/llvm/lib/CodeGen/TargetInstrInfo.cpp
+++ b/llvm/lib/CodeGen/TargetInstrInfo.cpp
@@ -80,7 +80,7 @@ unsigned TargetInstrInfo::getInlineAsmLength(const char *Str,
     if (*Str == '\n' || strncmp(Str, MAI.getSeparatorString(),
                                 strlen(MAI.getSeparatorString())) == 0)
       atInsnStart = true;
-    if (atInsnStart && !std::isspace(*Str)) {
+    if (atInsnStart && !std::isspace(static_cast<unsigned char>(*Str))) {
       Length += MAI.getMaxInstLength();
       atInsnStart = false;
     }