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Don't visit the same Phi twice

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Dmitry Stogov 2017-07-05 23:39:10 +03:00
parent 2558311b4d
commit d4f15b9506
1 changed files with 1 additions and 0 deletions
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ext/opcache/Optimizer/scdf.c
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@ -87,6 +87,7 @@ static void mark_edge_feasible(scdf_ctx *ctx, int from, const int *to_ptr, int s
zend_ssa_block *ssa_block = &ctx->ssa->blocks[to];
zend_ssa_phi *phi;
for (phi = ssa_block->phis; phi; phi = phi->next) {
zend_bitset_excl(ctx->phi_var_worklist, phi->ssa_var);
ctx->handlers.visit_phi(ctx, ctx->ctx, phi);
}
}