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unexpected shift conversion behavior

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R=r
DELTA=20  (20 added, 0 deleted, 0 changed)
OCL=33646
CL=33667
This commit is contained in:
Robert Griesemer 2009-08-21 14:14:25 -07:00
parent 0e25c1dc6d
commit cfa52e5e0b
2 changed files with 20 additions and 0 deletions
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15
test/bugs/bug193.go Normal file
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@ -0,0 +1,15 @@
// errchk $G $D/$F.go
// Copyright 2009 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.
package main
func main() {
s := uint(10);
ss := 1<<s;
y1 := float(ss);
y2 := float(1<<s); // ERROR "shift"
y3 := string(1<<s); // ERROR "shift"
}

5
test/golden.out
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@ -168,3 +168,8 @@ bugs/bug190.go:13: invalid recursive type chan S
bugs/bug190.go:16: invalid recursive type S
bugs/bug190.go:15: invalid recursive type func(S) (S)
BUG: should compile
=========== bugs/bug193.go
BUG: errchk: bugs/bug193.go:13: error message does not match 'shift'
bugs/bug193.go:13: fatal error: optoas: no entry LSH-float
errchk: bugs/bug193.go:14: missing expected error: 'shift'