[Bug middle-end/34300] gcc 4.2.2 miscompiles code that uses global register variables

[bruno at clisp dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=34300

--- Comment #10 from Bruno Haible <bruno at clisp dot org> ---
I confirm. I cannot reproduce the bug (neither with -O nor -O2) in GCC versions
4.2.3
4.2.4
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.4.0
4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
4.4.6
4.4.7
4.5.0
4.5.1
4.5.2
4.5.3
4.5.4
4.6.0
4.6.1
4.6.2
4.6.3
4.6.4
4.7.0
4.7.1
4.7.2
4.7.3
4.8.0
4.8.1
4.8.5
4.9.0
4.9.4
5.1.0