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gccgo: can shift complex numbers #11616

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dvyukov opened this issue Jul 6, 2015 · 2 comments
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gccgo: can shift complex numbers #11616

dvyukov opened this issue Jul 6, 2015 · 2 comments
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FrozenDueToAge Suggested Issues that may be good for new contributors looking for work to do.
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Gccgo

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@dvyukov
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dvyukov commented Jul 6, 2015

gccgo successfully compiles the following program:

package a
var a = complex64(1) << 2

gc rejects it saying:

invalid operation: complex64(1) << 2 (shift of type complex64)

Spec says that lhs of shift must be an integer.
Similar issue for go/types #11594

gcc version 6.0.0 2015070 (experimental) (GCC)
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dvyukov commented Jul 6, 2015

@paranoiacblack

@paranoiacblack paranoiacblack added this to the Gccgo milestone Jul 8, 2015
@paranoiacblack paranoiacblack added the Suggested Issues that may be good for new contributors looking for work to do. label Jul 8, 2015
@paranoiacblack paranoiacblack mentioned this issue Jul 11, 2015
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CL https://golang.org/cl/13688 mentions this issue.

vries pushed a commit to vries/gcc that referenced this issue Sep 10, 2015
compiler: Don't allow shifts with non-integers.
85334a2 
    
    Fixes golang/go#11616.
    
    Reviewed-on: https://go-review.googlesource.com/13688


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227604 138bc75d-0d04-0410-961f-82ee72b054a4
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