[tree-ssa] New regressions after 2003-10-26

[Jan Hubicka]

> 
> Richard, Zdenek,
> 
> One of the attached changes introduced new regressions in the C, C++ and
> libmudflap testsuites.
> 
> The libmudflap failures are all the same:
> 
> <src>/libmudflap/testsuite/libmudflap.c/fail5-frag.c:10:
> internal compiler error: in insn_locators_initialize, at cfglayout.c:314
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://gcc.gnu.org/bugs.html> for instructions.

This appears to be related to Zdenek's patch to disable BLOCK notes.  I
will try to look into this.

Honza