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| author | Robert Griesemer <gri@golang.org> | 2018-03-29 18:22:23 -0700 |
|---|---|---|
| committer | Robert Griesemer <gri@golang.org> | 2018-04-03 05:34:20 +0000 |
| commit | c65a2781be7a8029435ea3d6a3c54c601ac4ba3e (patch) | |
| tree | b7017c568143e1aca93a23af43603da4209e9be8 /test/syntax | |
| parent | 071f0de4ec0d912b2908821466818ca2be04655c (diff) | |
| download | go-c65a2781be7a8029435ea3d6a3c54c601ac4ba3e.tar.gz go-c65a2781be7a8029435ea3d6a3c54c601ac4ba3e.zip | |
cmd/compile: better handling of incorrect type switches
Don't report errors if we don't have a correct type switch
guard; instead ignore it and leave it to the type-checker
to report the error. This leads to better error messages
concentrating on the type switch guard rather than errors
around (confusing) syntactic details.
Also clean up some code setting up AssertExpr (they never
have a nil Type field) and remove some incorrect TODOs.
Fixes #24470.
Change-Id: I69512f36e0417e3b5ea9c8856768e04b19d654a8
Reviewed-on: https://go-review.googlesource.com/103615
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Diffstat (limited to 'test/syntax')
| -rw-r--r-- | test/syntax/typesw.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/test/syntax/typesw.go b/test/syntax/typesw.go index 8d89860d11..f9120e8851 100644 --- a/test/syntax/typesw.go +++ b/test/syntax/typesw.go @@ -7,7 +7,7 @@ package main func main() { - switch main() := interface{}(nil).(type) { // ERROR "invalid variable name" + switch main() := interface{}(nil).(type) { // ERROR "invalid variable name|used as value" default: } } |