[Bug c/65077] 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

--- Comment #5 from anders.blomdell at control dot lth.se ---
No, but my users insists on using Matlab/Simulink, and the testcase is a
heavily downsized version of what is done in their S-functions.