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authorDan Scales <danscales@google.com>2021-10-27 19:16:27 -0700
committerDan Scales <danscales@google.com>2021-10-29 23:25:18 +0000
commit5d6d9f5610066584374c2dfe7624fa9f251089a0 (patch)
tree8f19fa21d4541616c549ec54695b7227cb332e5e /src/cmd/compile/internal/noder
parent8dfb4472318e151656f77623e8cabdca290c22fb (diff)
downloadgo-5d6d9f5610066584374c2dfe7624fa9f251089a0.tar.xz
cmd/compile: use Structure() to get single underlying type of typeparam.
Use types2.Structure() to get single underlying type of typeparams, to handle some unusual cases where a type param is constrained to a single underlying struct or map type. Fixes #48538 Change-Id: I289fb7b31d489f7586f2b04aeb1df74e15a9f965 Reviewed-on: https://go-review.googlesource.com/c/go/+/359335 Trust: Dan Scales <danscales@google.com> Run-TryBot: Dan Scales <danscales@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>
Diffstat (limited to 'src/cmd/compile/internal/noder')
-rw-r--r--src/cmd/compile/internal/noder/expr.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/noder/expr.go b/src/cmd/compile/internal/noder/expr.go
index 65568f2307..d19513a1ac 100644
--- a/src/cmd/compile/internal/noder/expr.go
+++ b/src/cmd/compile/internal/noder/expr.go
@@ -344,7 +344,7 @@ func (g *irgen) compLit(typ types2.Type, lit *syntax.CompositeLit) ir.Node {
return typed(g.typ(typ), n)
}
- _, isStruct := typ.Underlying().(*types2.Struct)
+ _, isStruct := types2.Structure(typ).(*types2.Struct)
exprs := make([]ir.Node, len(lit.ElemList))
for i, elem := range lit.ElemList {