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| author | Alberto Donizetti <alb.donizetti@gmail.com> | 2015-08-20 17:53:41 +0200 |
|---|---|---|
| committer | Robert Griesemer <gri@golang.org> | 2015-08-21 20:27:22 +0000 |
| commit | 85de30e72f62c41f21eb1eb2c8ad4a05a163c9c1 (patch) | |
| tree | 775fc4eda1597493ea1bbfdd8181d5d7d19ab4e7 /test/const.go | |
| parent | 548041ed08a1f006e4cdac62f2b3bf4adf99f894 (diff) | |
| download | go-85de30e72f62c41f21eb1eb2c8ad4a05a163c9c1.tar.gz go-85de30e72f62c41f21eb1eb2c8ad4a05a163c9c1.zip | |
cmd/compile: allow huge rsh in constants arithmetic
Currently an expression like
var v = 0 >> 1000
is rejected by gc with a "stupid shift" error, while gotype
compiles it successfully.
As suggested by gri on the issue tracker, allow an rsh right
operand to be any valid uint value.
Fixes #11328
Change-Id: I6ccb3b7f842338d91fd26ae37dd4fa279d7fc440
Reviewed-on: https://go-review.googlesource.com/13777
Reviewed-by: Robert Griesemer <gri@golang.org>
Diffstat (limited to 'test/const.go')
| -rw-r--r-- | test/const.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/test/const.go b/test/const.go index d583659c6c..6c29336396 100644 --- a/test/const.go +++ b/test/const.go @@ -19,6 +19,9 @@ const ( c3div2 = 3 / 2 c1e3 = 1e3 + rsh1 = 1e100 >> 1000 + rsh2 = 1e302 >> 1000 + ctrue = true cfalse = !ctrue ) @@ -48,6 +51,8 @@ func ints() { assert(c3div2 == 1, "3/2") assert(c1e3 == 1000, "c1e3 int") assert(c1e3 == 1e3, "c1e3 float") + assert(rsh1 == 0, "rsh1") + assert(rsh2 == 9, "rsh2") // verify that all (in range) are assignable as ints var i int |