Fix double-quotes in diagnostic when attempting to access a ext_vector of bools

Author: smallp-o-p

clang/lib/Sema/SemaExprMember.cpp

@@ -1655,8 +1655,10 @@ static ExprResult LookupMemberExpr(Sema &S, LookupResult &R,
     // We disallow element access for ext_vector_type bool.  There is no way to
     // materialize a reference to a vector element as a pointer (each element is
     // one bit in the vector).
+    assert(MemberName.isIdentifier() &&
+           "Ext vector component name not an identifier!");
     S.Diag(R.getNameLoc(), diag::err_ext_vector_component_name_illegal)
-        << MemberName
+        << MemberName.getAsIdentifierInfo()->getName()
         << (BaseExpr.get() ? BaseExpr.get()->getSourceRange() : SourceRange());
     return ExprError();
   }

clang/test/SemaCXX/vector-bool.cpp

@@ -85,10 +85,10 @@ void foo(const bool& X);
 
 // Disallow element-wise access.
 bool* ElementRefs() {
-  eight_bools.y = false; // expected-error@88 {{illegal vector component name ''y''}}
-  &eight_bools.z;        // expected-error@89 {{illegal vector component name ''z''}}
-  foo(eight_bools.w);    // expected-error@90 {{illegal vector component name ''w''}}
-  foo(eight_bools.wyx);  // expected-error@91 {{illegal vector component name ''wyx''}}
+  eight_bools.y = false; // expected-error@88 {{illegal vector component name 'y'}}
+  &eight_bools.z;        // expected-error@89 {{illegal vector component name 'z'}}
+  foo(eight_bools.w);    // expected-error@90 {{illegal vector component name 'w'}}
+  foo(eight_bools.wyx);  // expected-error@91 {{illegal vector component name 'wyx'}}
 }
 
 void Sizeof() {