[Bug tree-optimization/38051] [4.4 Regression] Miscompilation of glibc's memcmp

[rguenth at gcc dot gnu dot org]

------- Comment #8 from rguenth at gcc dot gnu dot org  2008-11-07 19:33 -------
Created an attachment (id=16633)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16633&action=view)
prototype patch

Prototype patch.  It needs some work as appearantly we cannot use MPT_SYMBOLS
reliably there - I get random segfaults / referenced_var_lookup ICEs.

As we are only interested in symbols we can just look at the statement
manually.
But at least for asms that will need some work.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38051