Add the source range marker

Author: DavidSpickett

clang/lib/Sema/SemaDecl.cpp

@@ -7957,8 +7957,8 @@ NamedDecl *Sema::ActOnVariableDeclarator(
       }
 
       if (!R->isIntegralType(Context) && !R->isPointerType()) {
-        Diag(TInfo->getTypeLoc().getBeginLoc(),
-             diag::err_asm_bad_register_type);
+        Diag(TInfo->getTypeLoc().getBeginLoc(), diag::err_asm_bad_register_type)
+            << TInfo->getTypeLoc().getSourceRange();
         NewVD->setInvalidDecl(true);
       }
     }

clang/test/Sema/caret-diags-register-variable.cpp

@@ -6,7 +6,7 @@ struct foo {
 
 //CHECK: {{.*}}: error: bad type for named register variable
 //CHECK-NEXT: {{^}}register struct foo bar asm("esp");
-//CHECK-NEXT: {{^}}         ^{{$}}
+//CHECK-NEXT: {{^}}         ^~~~~~~~~~{{$}}
 register struct foo bar asm("esp");
 
 //CHECK: {{.*}}: error: register 'edi' unsuitable for global register variables on this target