diff options
| -rw-r--r-- | src/cmd/gc/align.c | 5 | ||||
| -rw-r--r-- | test/fixedbugs/issue9432.go | 15 |
2 files changed, 20 insertions, 0 deletions
diff --git a/src/cmd/gc/align.c b/src/cmd/gc/align.c index 6e5d149c75..63ed2e5af6 100644 --- a/src/cmd/gc/align.c +++ b/src/cmd/gc/align.c @@ -128,6 +128,11 @@ dowidth(Type *t) return; } + // break infinite recursion if the broken recursive type + // is referenced again + if(t->broke && t->width == 0) + return; + // defer checkwidth calls until after we're done defercalc++; diff --git a/test/fixedbugs/issue9432.go b/test/fixedbugs/issue9432.go new file mode 100644 index 0000000000..0d0bc960f9 --- /dev/null +++ b/test/fixedbugs/issue9432.go @@ -0,0 +1,15 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// gc used to recurse infinitely when dowidth is applied +// to a broken recursive type again. +// See golang.org/issue/9432. +package p + +type foo struct { // GCCGO_ERROR "invalid recursive type" + bar foo + blah foo +} // ERROR "invalid recursive type foo" |