https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79952
--- Comment #6 from David Malcolm <dmalcolm at gcc dot gnu.org> --- Author: dmalcolm Date: Fri Mar 10 18:39:52 2017 New Revision: 246044 URL: https://gcc.gnu.org/viewcvs?rev=246044&root=gcc&view=rev Log: Fix out-of-bounds write in RTL function reader (PR bootstrap/79952) gcc/ChangeLog: PR bootstrap/79952 * read-rtl-function.c (function_reader::read_rtx_operand): Update x with result of extra_parsing_for_operand_code_0. (function_reader::extra_parsing_for_operand_code_0): Convert return type from void to rtx, returning x. When reading SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the larger size containing struct block_symbol. Modified: trunk/gcc/ChangeLog trunk/gcc/read-rtl-function.c
