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[PR71252][PATCH] ICE: verify_ssa failed

From: Kugan Vivekanandarajah <kugan dot vivekanandarajah at linaro dot org>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Richard Biener <richard dot guenther at gmail dot com>
Date: Tue, 24 May 2016 20:38:29 +1000
Subject: [PR71252][PATCH] ICE: verify_ssa failed
Authentication-results: sourceware.org; auth=none

Hi,

In build_and_add_sum, new stmt is created and inserted (which is the
actual use stmt). Therefore stmt_to_insert has to be inserted after
this is created. This patch moves it after.

I donât know how I can reduce the Fortran test-case so adding the
test-case from bug report. Any help in reducing the test-case is
appreciated.

Regression testing on x86_64-linux-gnu and bootstrap didnât find any new issues.

Is this OK for trunk?

Thanks,
Kugan

gcc/testsuite/ChangeLog:

2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>

    * gfortran.dg/pr71252.f90: New test.

gcc/ChangeLog:

2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>

    * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert after
    build_and_add_sum creates new use stmt.

Attachment: pr71252.txt
Description: Text document

Follow-Ups:
- Re: [PR71252][PATCH] ICE: verify_ssa failed
  - From: Richard Biener
- Re: [PR71252][PATCH] ICE: verify_ssa failed
  - From: Jakub Jelinek

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