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| author | Keith Randall <khr@golang.org> | 2021-08-17 10:40:44 -0700 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2021-08-18 22:34:31 +0000 |
| commit | 687f2acf6ae00226e8304e15f156f36e19ac971f (patch) | |
| tree | 114173688ee5f9bc7406dac8df88dc8f06459b12 /src/cmd/compile/internal/noder | |
| parent | eda3de0f79f3008aed21c04df546efa2ace65683 (diff) | |
| download | go-687f2acf6ae00226e8304e15f156f36e19ac971f.tar.gz go-687f2acf6ae00226e8304e15f156f36e19ac971f.zip | |
cmd/compile: only use dictionaries for conversions to type parameters
Conversions to regular concrete types should not be rewritten during
stenciling.
Fixes #47740
Change-Id: I2b45e22f962dcd2e18bd6cc876ebc0f850860822
Reviewed-on: https://go-review.googlesource.com/c/go/+/342989
Trust: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
Diffstat (limited to 'src/cmd/compile/internal/noder')
| -rw-r--r-- | src/cmd/compile/internal/noder/stencil.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/noder/stencil.go b/src/cmd/compile/internal/noder/stencil.go index 4ac37c362c..19b8f63c4b 100644 --- a/src/cmd/compile/internal/noder/stencil.go +++ b/src/cmd/compile/internal/noder/stencil.go @@ -1118,6 +1118,9 @@ func (subst *subster) node(n ir.Node) ir.Node { m = convertUsingDictionary(subst.info, subst.info.dictParam, m.Pos(), m.(*ir.ConvExpr).X, x, m.Type(), x.X.Type()) } case ir.ODOTTYPE, ir.ODOTTYPE2: + if !x.Type().HasTParam() { + break + } dt := m.(*ir.TypeAssertExpr) var rt ir.Node if dt.Type().IsInterface() || dt.X.Type().IsEmptyInterface() { |