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cmd/5l, cmd/6l, cmd/8l: fix segfault on reading LOCALS for a duplicate definition.
Fixes #5105. R=golang-dev, dave, daniel.morsing, rsc CC=golang-dev https://golang.org/cl/7965043
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@ -608,11 +608,15 @@ loop:
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break;
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case ALOCALS:
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if(skip)
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goto casedef;
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cursym->locals = p->to.offset;
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pc++;
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break;
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case ATYPE:
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if(skip)
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goto casedef;
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pc++;
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goto loop;
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@ -597,11 +597,15 @@ loop:
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goto loop;
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case ALOCALS:
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if(skip)
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goto casdef;
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cursym->locals = p->to.offset;
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pc++;
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goto loop;
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case ATYPE:
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if(skip)
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goto casdef;
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pc++;
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goto loop;
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@ -607,11 +607,15 @@ loop:
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goto loop;
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case ALOCALS:
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if(skip)
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goto casdef;
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cursym->locals = p->to.offset;
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pc++;
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goto loop;
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case ATYPE:
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if(skip)
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goto casdef;
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pc++;
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goto loop;
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7
test/fixedbugs/issue5105.dir/a.go
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7
test/fixedbugs/issue5105.dir/a.go
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@ -0,0 +1,7 @@
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// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package a
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var A = [2]string{"hello", "world"}
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15
test/fixedbugs/issue5105.dir/b.go
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15
test/fixedbugs/issue5105.dir/b.go
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@ -0,0 +1,15 @@
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// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import "./a"
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var B = [2]string{"world", "hello"}
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func main() {
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if a.A[0] != B[1] {
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panic("bad hello")
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}
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}
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10
test/fixedbugs/issue5105.go
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10
test/fixedbugs/issue5105.go
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@ -0,0 +1,10 @@
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// rundir
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// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Issue 5105: linker segfaults on duplicate definition
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// of a type..hash.* function.
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package ignored
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