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gccgo: can apply ^ to true #11529

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dvyukov opened this issue Jul 2, 2015 · 2 comments
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gccgo: can apply ^ to true #11529

dvyukov opened this issue Jul 2, 2015 · 2 comments
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@dvyukov
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dvyukov commented Jul 2, 2015

gccgo accepts the following program:

package a
var f = ^true

While gc and go/types say:

go.go:2:10: invalid operation: operator ^ not defined for true (untyped bool constant)
go.go:2: invalid operation: ^ untyped bool

gcc version 6.0.0 2015070 (experimental) (GCC)
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dvyukov commented Jul 2, 2015

@paranoiacblack

@ianlancetaylor ianlancetaylor added this to the Gccgo milestone Jul 10, 2015
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CL https://golang.org/cl/13790 mentions this issue.

timshen91 pushed a commit to timshen91/gcc that referenced this issue Aug 26, 2015
compiler: Disallow use of unary ^ on booleans.
b3b1474 
    
    Fixes golang/go#11529.
    
    Reviewed-on: https://go-review.googlesource.com/13790


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227201 138bc75d-0d04-0410-961f-82ee72b054a4
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