in golden.out, replace $RUNFILE with '$RUNFILE'

and replace pid with PID

R=r
DELTA=4  (2 added, 0 deleted, 2 changed)
OCL=14727
CL=14727

test/golden.out

@@ -169,7 +169,7 @@ BUG: compilation succeeds incorrectly
 
 =========== bugs/bug092.go
 BUG should not crash
-/tmp/gorun-r: line 1: 83206 Illegal instruction     ./$A.out
+$RUNFILE: line 1: PID Illegal instruction     ./$A.out
 
 =========== fixedbugs/bug015.go
 fixedbugs/bug015.go:7: overflow converting constant to <int64>INT64

test/run

@@ -47,7 +47,9 @@ do
 	done
 done | # clean up some stack noise
 	egrep -v '^(r[0-9a-z]+|[cfg]s)  +0x'  |
-	sed '/tmp.*Bus error/s/.*Bus/Bus/; /tmp.*Trace.BPT/s/.*Trace/Trace/' > run.out
+	sed '/tmp.*Bus error/s/.*Bus/Bus/; /tmp.*Trace.BPT/s/.*Trace/Trace/
+		s!'$RUNFILE'!$RUNFILE!g
+		/RUNFILE/ s/line 1: *[0-9]*/line 1: PID/' > run.out
 
 case $failed in
 1)