drop output from nilptr tests;

too hard to make it the same everywhere.
still checking for non-zero exit status though.

disable core files while running tests

R=r
http://go/go-review/1026037

src/run.bash

@@ -5,6 +5,9 @@
 
 set -e
 
+# no core files, please
+ulimit -c 0
+
 xcd() {
 	echo
 	echo --- cd $1

test/golden.out

@@ -94,66 +94,6 @@ panic PC=xxx
 
 == nilptr/
 
-=========== nilptr/arrayindex.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
-=========== nilptr/arrayindex1.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
-=========== nilptr/arraytoslice.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
-=========== nilptr/arraytoslice1.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
-=========== nilptr/arraytoslice2.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
-=========== nilptr/slicearray.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
-=========== nilptr/structfield.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
-=========== nilptr/structfield1.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
-=========== nilptr/structfield2.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
-=========== nilptr/structfieldaddr.go
-SIGSEGV: segmentation violation
-Faulting address: 0x0
-pc: xxx
-
-
 == fixedbugs/
 
 =========== fixedbugs/bug016.go

test/nilptr/arrayindex.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/nilptr/arrayindex1.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/nilptr/arraytoslice.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/nilptr/arraytoslice1.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/nilptr/arraytoslice2.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/nilptr/slicearray.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/nilptr/structfield.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/nilptr/structfield1.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/nilptr/structfield2.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/nilptr/structfieldaddr.go

-// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should fail)
+// $G $D/$F.go && $L $F.$A &&
+//	((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

test/run

@@ -42,6 +42,9 @@ TMP2FILE=/tmp/gotest2-$$-$USER
 # on thresher, 3GB suffices to run the tests; with 2GB, peano fails.
 ulimit -v 4000000
 
+# no core files please
+ulimit -c 0
+
 true >pass.out >times.out
 
 for dir in . ken chan interface nilptr fixedbugs bugs