[Bug target/126802] [17 Regression] Sub-optimal code of adding 2 chars

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126802

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
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  Attachment #65303|0                           |1
        is obsolete|                            |

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 65312
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65312&action=edit
An updated patch