[Bug target/114659] gcc miscompiles a __builtin_memcpy on i386, leading to wrong results for SNaN

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114659
Bug 114659 depends on bug 116406, which changed state.

Bug 116406 Summary: [15 Regression] ICE: in add_to_value, at 
tree-ssa-pre.cc:695 with -Os -finstrument-functions-once -mfpmath=387
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116406

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED