more 6g reorg; checkpoint.
typecheck.c is now responsible for all type checking
except for assignment and function argument "..."

R=ken
OCL=32661
CL=32667
diff --git a/test/fixedbugs/bug170.go b/test/fixedbugs/bug170.go
index b04e771..e7f1c51 100644
--- a/test/fixedbugs/bug170.go
+++ b/test/fixedbugs/bug170.go
@@ -5,9 +5,10 @@
 // license that can be found in the LICENSE file.
 
 package main
-var v1 = ([10]int)(nil)		// ERROR "illegal|nil|invalid"
-var v2 [10]int = nil		// ERROR "illegal|nil|incompatible"
-var v3 [10]int
+var v1 = ([10]int)(nil);	// ERROR "illegal|nil|invalid"
+var v2 [10]int = nil;		// ERROR "illegal|nil|incompatible"
+var v3 [10]int;
+var v4 = nil;	// ERROR "nil"
 func main() {
 	v3 = nil;		// ERROR "illegal|nil|incompatible"
 }