https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64427
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-12-28
Target Milestone|--- |5.0
Ever confirmed|0 |1
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Also, for 32-bit targets, like -m32 and -mx32, GCC complains:
/export/gnu/import/git/gcc/gcc/testsuite/gcc.target/i386/pr64291-1.c:33:25:
warning: left shift count >= width of type [-Wshift-count-overflow]
