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[ARC] Improved robustness. Return FALSE in case of NULL pointer.
bfd/ 2018-03-01 Cupertino Miranda <cmiranda@synopsys.com> * elf32-arc.c (elf_arc_finish_dynamic_symbol) Return FALSE in case arc_htab is NULL.
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@ -2436,6 +2436,9 @@ elf_arc_finish_dynamic_symbol (bfd * output_bfd,
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{
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struct elf_arc_link_hash_table *arc_htab = elf_arc_hash_table (info);
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if (arc_htab == NULL)
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return FALSE;
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if (h->dynindx == -1
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|| (h->root.type != bfd_link_hash_defined
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&& h->root.type != bfd_link_hash_defweak)
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