6g bug: was dropping assignment of nil to globals

R=ken OCL=28314 CL=28314

6g bug: was dropping assignment of nil to globals
R=ken OCL=28314 CL=28314
3e9b171b · Russ Cox · 86043a87 · 3e9b171b
Commit 3e9b171b authored May 05, 2009 by Russ Cox
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Showing with 7 additions and 4 deletions

src/cmd/gc/gen.c src/cmd/gc/gen.c +7 -4

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--- a/src/cmd/gc/gen.c
+++ b/src/cmd/gc/gen.c
@@ -439,10 +439,13 @@ cgen_as(Node *nl, Node *nr)
 		}
 		// externals and heaps should already be clear
-		if(nl->class == PEXTERN)
+		if(nr == N) {
-			return;
+			if(nl->class == PEXTERN)
-		if(nl->class & PHEAP)
+				return;
-			return;
+			if(nl->class & PHEAP)
+				return;
+		}
 		tl = nl->type;
 		if(tl == T)
 			return;