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15 lines
456 B
C
15 lines
456 B
C
$NetBSD$
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--- gcc/tree-scalar-evolution.c.orig Fri Apr 2 19:54:46 2010
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+++ gcc/tree-scalar-evolution.c
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@@ -2557,7 +2557,8 @@ instantiate_scev_r (basic_block instantiate_below,
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if (size_expr++ > PARAM_VALUE (PARAM_SCEV_MAX_EXPR_SIZE))
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return chrec_dont_know;
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- if (automatically_generated_chrec_p (chrec)
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+ if (chrec == NULL_TREE
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+ || automatically_generated_chrec_p (chrec)
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|| is_gimple_min_invariant (chrec))
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return chrec;
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