TableGen: fix constness of new comparison function.

TNorthover · TNorthover · commit 107cfa216929 · 2013-09-16T17:33:40.000Z
libc++ didn't seem to like a non-const call operator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190797 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -1065,7 +1065,7 @@ AsmMatcherInfo::getOperandClass(Record *Rec, int SubOpIdx) {
 }
 
 struct LessRegisterSet {
-  bool operator() (const RegisterSet &LHS, const RegisterSet & RHS) {
+  bool operator() (const RegisterSet &LHS, const RegisterSet & RHS) const {
     // std::set<T> defines its own compariso "operator<", but it
     // performs a lexicographical comparison by T's innate comparison
     // for some reason. We don't want non-deterministic pointer

Original file line number	Diff line number	Diff line change
`@@ -1065,7 +1065,7 @@ AsmMatcherInfo::getOperandClass(Record *Rec, int SubOpIdx) {`
`1065`	`1065`	`}`
`1066`	`1066`
`1067`	`1067`	`struct LessRegisterSet {`
`1068`		`- bool operator() (const RegisterSet &LHS, const RegisterSet & RHS) {`
	`1068`	`+ bool operator() (const RegisterSet &LHS, const RegisterSet & RHS) const {`
`1069`	`1069`	`// std::set<T> defines its own compariso "operator<", but it`
`1070`	`1070`	`// performs a lexicographical comparison by T's innate comparison`
`1071`	`1071`	`// for some reason. We don't want non-deterministic pointer`