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author | Richard Biener <rguenther@suse.de> | 2016-05-11 10:24:11 +0000 |
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committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-05-11 10:24:11 +0000 |
commit | ebc1b29edb3428dd18e76cba8626625bfb184f1d (patch) | |
tree | c56af27e777a33142ec5005ae7600ac16297fad4 /gcc/fortran/frontend-passes.c | |
parent | 98ccd1d7ab1d9a0c99cce0d1c05ddcda3659dd26 (diff) | |
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re PR middle-end/71002 (-fstrict-aliasing breaks Boost's short string optimization implementation)
2016-05-11 Richard Biener <rguenther@suse.de>
PR middle-end/71002
* alias.c (reference_alias_ptr_type): Preserve alias-set zero
if the langhook insists on it.
* fold-const.c (make_bit_field_ref): Add arg for the original
reference and preserve its alias-set.
(decode_field_reference): Take exp by reference and adjust it
to the original memory reference.
(optimize_bit_field_compare): Adjust callers.
(fold_truth_andor_1): Likewise.
* gimplify.c (gimplify_expr): Adjust in-SSA form test.
* g++.dg/torture/pr71002.C: New testcase.
From-SVN: r236117
Diffstat (limited to 'gcc/fortran/frontend-passes.c')
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