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gccgo: knowns unknown escape sequence #11575

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dvyukov opened this issue Jul 3, 2015 · 2 comments
Closed

gccgo: knowns unknown escape sequence #11575

dvyukov opened this issue Jul 3, 2015 · 2 comments
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@dvyukov
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dvyukov commented Jul 3, 2015

gccgo successfully compiles the following program:

package a
var e = "\X00"

While gc and go/types say:

go.go:2: unknown escape sequence: X
go.go:2:11: unknown escape sequence

The spec allows only lower-case x for hex-encoded chars.

gcc version 6.0.0 2015070 (experimental) (GCC)

@dvyukov
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dvyukov commented Jul 3, 2015

@paranoiacblack

@paranoiacblack paranoiacblack added this to the Gccgo milestone Jul 8, 2015
@paranoiacblack paranoiacblack added Suggested Issues that may be good for new contributors looking for work to do. Started labels Jul 8, 2015
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CL https://golang.org/cl/12158 mentions this issue.

emsr pushed a commit to emsr/gcc that referenced this issue Jul 26, 2015
    
    http://golang.org/ref/spec#Rune_literals states	that rune literals
    encoded as hex bytes must begin with lowercase '\x'.
    Fixes golang/go#11575.
    
    Reviewed-on: https://go-review.googlesource.com/12158


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@226184 138bc75d-0d04-0410-961f-82ee72b054a4
@golang golang locked and limited conversation to collaborators Aug 5, 2016
asiekierka pushed a commit to WonderfulToolchain/gcc-ia16 that referenced this issue May 16, 2022
    
    http://golang.org/ref/spec#Rune_literals states	that rune literals
    encoded as hex bytes must begin with lowercase '\x'.
    Fixes golang/go#11575.
    
    Reviewed-on: https://go-review.googlesource.com/12158

From-SVN: r226184
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