r246044 - in /trunk/gcc: ChangeLog read-rtl-fun...

[dmalcolm@gcc.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