[PATCH] Handle loop fields in IPA ICF (PR ipa/90555).

[Martin Liška]

Hi.

The patch is about more fine comparison of loop fields that
are mentioned in the PR.

Patch can bootstrap on x86_64-linux-gnu and survives regression tests.

Ready to be installed?
Thanks,
Martin

gcc/ChangeLog:

2019-05-23  Martin Liska  <mliska@suse.cz>

	PR ipa/90555
	* ipa-icf-gimple.c (func_checker::compare_loops): New function.
	* ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
	* ipa-icf.c (sem_function::equals_private): Use compare_loops.

gcc/testsuite/ChangeLog:

2019-05-23  Martin Liska  <mliska@suse.cz>

	PR ipa/90555
	* gcc.dg/ipa/pr90555.c: New test.
---
 gcc/ipa-icf-gimple.c               | 40 ++++++++++++++++++
 gcc/ipa-icf-gimple.h               |  3 ++
 gcc/ipa-icf.c                      |  3 ++
 gcc/testsuite/gcc.dg/ipa/pr90555.c | 67 ++++++++++++++++++++++++++++++
 4 files changed, 113 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/ipa/pr90555.c


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