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[Bug libc/15605] gcc-4.8 + tree-loop-distribute-patterns breaks is unsafe for GLIBC


https://sourceware.org/bugzilla/show_bug.cgi?id=15605

philippe.gislard at morpho dot com changed:

           What    |Removed                     |Added
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                 CC|                            |philippe.gislard at morpho dot com

--- Comment #8 from philippe.gislard at morpho dot com ---
Hi,

I'm using gcc 4.9.1, and I have and issue when reimplementing memset that is
quite similar:
loop inside memset is transformed into recursive call to memset

I noticed that when compiling with -fno-tree-loop-distribute-patterns has no
impact but with -fno-tree-ch the issue disappear.
Can someone tell me if it is related to this bug and if possible, what's
happening exactly and if there is a better way to handle this ?

Thanks.

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