Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

gccgo: knowns unknown escape sequence #11575

Closed
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
Labels
FrozenDueToAge Suggested Issues that may be good for new contributors looking for work to do.
Milestone
Gccgo

Comments

@dvyukov
Copy link
Member

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
Copy link
Member Author

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
@gopherbot
Copy link

CL https://golang.org/cl/12158 mentions this issue.

emsr pushed a commit to emsr/gcc that referenced this issue Jul 26, 2015
compiler: Disallow rune literals with '\X'.
5f7bd04 
    
    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
compiler: Disallow rune literals with '\X'.
37aa341 
    
    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
Sign up for free to subscribe to this conversation on GitHub. Already have an account? Sign in.
Assignees
No one assigned
Labels
FrozenDueToAge Suggested Issues that may be good for new contributors looking for work to do.
Projects
None yet
Milestone
Gccgo
Development

No branches or pull requests
4 participants
@paranoiacblack @dvyukov @ianlancetaylor @gopherbot