Use APSInt::isSameValue instead of operator== in a place where two APSInt's
may have different sizes. Fixes PR22017
llvm-svn: 225488
diff --git a/clang/lib/AST/TemplateBase.cpp b/clang/lib/AST/TemplateBase.cpp
index d0c938d..f8b73cb 100644
--- a/clang/lib/AST/TemplateBase.cpp
+++ b/clang/lib/AST/TemplateBase.cpp
@@ -42,7 +42,11 @@
if (const EnumType *ET = T->getAs<EnumType>()) {
for (const EnumConstantDecl* ECD : ET->getDecl()->enumerators()) {
- if (ECD->getInitVal() == Val) {
+ // In Sema::CheckTemplateArugment, enum template arguments value are
+ // extended to the size of the integer underlying the enum type. This
+ // may create a size difference between the enum value and template
+ // argument value, requiring isSameValue here instead of operator==.
+ if (llvm::APSInt::isSameValue(ECD->getInitVal(), Val)) {
ECD->printQualifiedName(Out, Policy);
return;
}