re PR bootstrap/71071 (ICE --enable-checking=fold : fold check: original tree changed by fold)
PR bootstrap/71071 * fold-const.c (fold_checksum_tree): Allow modification of TYPE_ALIAS_SET during folding. * gcc.dg/pr71071.c: New test. From-SVN: r236222
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2016-05-13 Jakub Jelinek <jakub@redhat.com>
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PR bootstrap/71071
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* fold-const.c (fold_checksum_tree): Allow modification
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of TYPE_ALIAS_SET during folding.
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* config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
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ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
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(ix86_split_to_parts): Likewise. Fix up formatting.
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@ -12130,7 +12130,8 @@ fold_checksum_tree (const_tree expr, struct md5_ctx *ctx,
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|| TYPE_REFERENCE_TO (expr)
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|| TYPE_CACHED_VALUES_P (expr)
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|| TYPE_CONTAINS_PLACEHOLDER_INTERNAL (expr)
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|| TYPE_NEXT_VARIANT (expr)))
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|| TYPE_NEXT_VARIANT (expr)
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|| TYPE_ALIAS_SET_KNOWN_P (expr)))
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{
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/* Allow these fields to be modified. */
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tree tmp;
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@ -12140,6 +12141,7 @@ fold_checksum_tree (const_tree expr, struct md5_ctx *ctx,
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TYPE_POINTER_TO (tmp) = NULL;
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TYPE_REFERENCE_TO (tmp) = NULL;
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TYPE_NEXT_VARIANT (tmp) = NULL;
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TYPE_ALIAS_SET (tmp) = -1;
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if (TYPE_CACHED_VALUES_P (tmp))
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{
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TYPE_CACHED_VALUES_P (tmp) = 0;
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@ -1,3 +1,8 @@
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2016-05-13 Jakub Jelinek <jakub@redhat.com>
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PR bootstrap/71071
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* gcc.dg/pr71071.c: New test.
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2016-05-13 Uros Bizjak <ubizjak@gmail.com>
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* gcc.dg/vect/tree-vect.h (check_vect): Handle AVX2,
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@ -0,0 +1,12 @@
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/* PR bootstrap/71071 */
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/* { dg-do compile } *
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/* { dg-options "-O2" } */
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struct S { unsigned b : 1; } a;
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void
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foo ()
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{
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if (a.b)
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;
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}
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