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Diffstat (limited to 'libgo/go/cmd/cgo/gcc.go')
-rw-r--r--libgo/go/cmd/cgo/gcc.go12
1 files changed, 10 insertions, 2 deletions
diff --git a/libgo/go/cmd/cgo/gcc.go b/libgo/go/cmd/cgo/gcc.go
index 310316b..e389729 100644
--- a/libgo/go/cmd/cgo/gcc.go
+++ b/libgo/go/cmd/cgo/gcc.go
@@ -2082,6 +2082,10 @@ var goIdent = make(map[string]*ast.Ident)
// that may contain a pointer. This is used for cgo pointer checking.
var unionWithPointer = make(map[ast.Expr]bool)
+// anonymousStructTag provides a consistent tag for an anonymous struct.
+// The same dwarf.StructType pointer will always get the same tag.
+var anonymousStructTag = make(map[*dwarf.StructType]string)
+
func (c *typeConv) Init(ptrSize, intSize int64) {
c.ptrSize = ptrSize
c.intSize = intSize
@@ -2430,8 +2434,12 @@ func (c *typeConv) loadType(dtype dwarf.Type, pos token.Pos, parent string) *Typ
break
}
if tag == "" {
- tag = "__" + strconv.Itoa(tagGen)
- tagGen++
+ tag = anonymousStructTag[dt]
+ if tag == "" {
+ tag = "__" + strconv.Itoa(tagGen)
+ tagGen++
+ anonymousStructTag[dt] = tag
+ }
} else if t.C.Empty() {
t.C.Set(dt.Kind + " " + tag)
}