[PATCH]: Fix hang while compiling cpu2k6/perlbench at -O2

Daniel Berlin dberlin@dberlin.org
Mon Jan 29 17:10:00 GMT 2007


On 1/29/07, Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com> wrote:
> Grigory Zagorodnev wrote:
> > GCC 4.3 compiler revision 121206 goes into infinitive loop while
> > compiling cpu2k6/perlbench source file regcomp.c at -O2 optimization
> > level on x86_64-redhat-linux.
>
> This regression is caused by "Rewrite of portions of points-to solver"
> patch http://gcc.gnu.org/ml/gcc-patches/2007-01/msg01541.html
> revision 120931 http://gcc.gnu.org/viewcvs?view=rev&revision=120931
>

Patch attached and committed after bootstrap and regtest on i686-darwin.

2007-01-29  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (do_complex_constraint): Mark correct
	variable as changed.


> - Grigory
>
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