27 lines
780 B
Diff
27 lines
780 B
Diff
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2015-02-10 Richard Henderson <rth@redhat.com>
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PR sanitizer/65000
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* tree-eh.c (mark_reachable_handlers): Mark regions mentioned in
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__builtin_eh_copy_values as reachable.
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--- gcc/tree-eh.c
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+++ gcc/tree-eh.c
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@@ -3859,6 +3859,17 @@ mark_reachable_handlers (sbitmap *r_reachablep, sbitmap *lp_reachablep)
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gimple_eh_dispatch_region (
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as_a <geh_dispatch *> (stmt)));
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break;
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+ case GIMPLE_CALL:
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+ if (gimple_call_builtin_p (stmt, BUILT_IN_EH_COPY_VALUES))
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+ for (int i = 0; i < 2; ++i)
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+ {
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+ tree rt = gimple_call_arg (stmt, i);
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+ HOST_WIDE_INT ri = tree_to_shwi (rt);
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+
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+ gcc_assert (ri = (int)ri);
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+ bitmap_set_bit (r_reachable, ri);
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+ }
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+ break;
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default:
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break;
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}
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