patch LLD to fix COFF crashing when linking twice in same process

andrewrk · andrewrk · commit 95f45cfc34cd · 2018-07-25T02:36:29.000-04:00
closes #1289
diff --git a/deps/lld/COFF/Driver.cpp b/deps/lld/COFF/Driver.cpp
@@ -72,6 +72,9 @@ bool link(ArrayRef<const char *> Args, bool CanExitEarly, raw_ostream &Diag) {
     exitLld(errorCount() ? 1 : 0);
 
   freeArena();
+  ObjFile::Instances.clear();
+  ImportFile::Instances.clear();
+  BitcodeFile::Instances.clear();
   return !errorCount();
 }
 

Original file line number	Diff line number	Diff line change
`@@ -72,6 +72,9 @@ bool link(ArrayRef<const char *> Args, bool CanExitEarly, raw_ostream &Diag) {`
`72`	`72`	`exitLld(errorCount() ? 1 : 0);`
`73`	`73`
`74`	`74`	`freeArena();`
	`75`	`+ ObjFile::Instances.clear();`
	`76`	`+ ImportFile::Instances.clear();`
	`77`	`+ BitcodeFile::Instances.clear();`
`75`	`78`	`return !errorCount();`
`76`	`79`	`}`
`77`	`80`