Don’t demangle an error type.

davidungar · davidungar · commit 2756e59a97e0 · 2018-07-30T18:04:12.000-07:00
diff --git a/lib/AST/USRGeneration.cpp b/lib/AST/USRGeneration.cpp
@@ -226,7 +226,7 @@ bool ide::printDeclUSR(const ValueDecl *D, raw_ostream &OS) {
     return printObjCUSR(D, OS);
   }
 
-  if (!D->hasInterfaceType())
+  if (!D->hasInterfaceType() || D->getInterfaceType()->hasError())
     return true;
 
   // Invalid code.

Original file line number	Diff line number	Diff line change
`@@ -226,7 +226,7 @@ bool ide::printDeclUSR(const ValueDecl *D, raw_ostream &OS) {`
`226`	`226`	`return printObjCUSR(D, OS);`
`227`	`227`	`}`
`228`	`228`
`229`		`- if (!D->hasInterfaceType())`
	`229`	`+ if (!D->hasInterfaceType() \|\| D->getInterfaceType()->hasError())`
`230`	`230`	`return true;`
`231`	`231`
`232`	`232`	`// Invalid code.`