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cmd/gc: compute size of keys & values before making map bucket
Fixes #7547 LGTM=iant R=iant, khr CC=golang-codereviews https://golang.org/cl/84470046
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@ -125,6 +125,8 @@ mapbucket(Type *t)
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keytype = t->down;
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valtype = t->type;
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dowidth(keytype);
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dowidth(valtype);
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if(keytype->width > MAXKEYSIZE)
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keytype = ptrto(keytype);
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if(valtype->width > MAXVALSIZE)
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17
test/fixedbugs/issue7547.go
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17
test/fixedbugs/issue7547.go
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@ -0,0 +1,17 @@
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// compile
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// Copyright 2014 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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func f() map[string]interface{} {
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var p *map[string]map[string]interface{}
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_ = p
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return nil
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}
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func main() {
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f()
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}
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