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author | Richard Musiol <mail@richard-musiol.de> | 2018-08-05 18:52:15 +0200 |
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committer | Richard Musiol <neelance@gmail.com> | 2018-08-14 09:19:38 +0000 |
commit | 81555cb4f3521b53f9de4ce15f64b77cc9df61b9 (patch) | |
tree | 109c9259a842217b04956786476f355b2d825b0c /test/closure4.go | |
parent | 4fc7b93ad7c36b769ef54b4706e6a045d7a8e311 (diff) | |
download | go-81555cb4f3521b53f9de4ce15f64b77cc9df61b9.tar.gz go-81555cb4f3521b53f9de4ce15f64b77cc9df61b9.zip |
cmd/compile/internal/gc: add nil check for closure call on wasm
This commit adds an explicit nil check for closure calls on wasm,
so calling a nil func causes a proper panic instead of crashing on the
WebAssembly level.
Change-Id: I6246844f316677976cdd420618be5664444c25ae
Reviewed-on: https://go-review.googlesource.com/127759
Run-TryBot: Richard Musiol <neelance@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'test/closure4.go')
-rw-r--r-- | test/closure4.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/closure4.go b/test/closure4.go new file mode 100644 index 0000000000..ec4e0a18eb --- /dev/null +++ b/test/closure4.go @@ -0,0 +1,21 @@ +// run + +// Copyright 2018 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. + +// Check that calling a nil func causes a proper panic. + +package main + +func main() { + defer func() { + err := recover() + if err == nil { + panic("panic expected") + } + }() + + var f func() + f() +} |