[Bug tree-optimization/65077] [4.9/5 Regression] memcpy generates incorrect code with floating point numbers and -O1

[anders.blomdell at control dot lth.se]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077

anders.blomdell at control dot lth.se changed:

           What    |Removed                     |Added
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  Attachment #34774|0                           |1
        is obsolete|                            |

--- Comment #12 from anders.blomdell at control dot lth.se ---
Created attachment 34784
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34784&action=edit
Somewhat better testcase (less type-cheating)