On 25/09/16 04:50, kugan wrote:
> Hi,
>
> In make_new_ssa_for_def (tree-reassoc.c) we should use gimple_get_lhs to
> get lhs instead of gimple_assign_lhs as stmt can be builtins too.
> Attached patch fixes this.
>
> Testcase from PR (attached) seems to fail. I dont any fortran so I didnt
> try fixing it. Any help here is appreciate. The log is:

Here is a patch with the testcase based on the feedback from Joost 
VandeVondele and Dominique d'Humieres. Bootstrapped and regression 
tested on x86_64-linux-gnu with no new regressions.

Is this OK for trunk?

Thanks,
kugan

gcc/testsuite/ChangeLog:

2016-09-25  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* gfortran.dg/pr77719.f90: New test.

gcc/ChangeLog:

2016-09-25  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* tree-ssa-reassoc.c (make_new_ssa_for_def): Use gimple_get_lhs to get lhs
	instead of gimple_assign_lhs as stmt can be builtins too.