r255540 - in /trunk/gcc: ChangeLog auto-profile...

[ak@gcc.gnu.org]

Author: ak
Date: Mon Dec 11 16:13:53 2017
New Revision: 255540

URL: https://gcc.gnu.org/viewcvs?rev=255540&root=gcc&view=rev
Log:
Fix stack overflow with autofdo (PR83355)

g++.dg/bprob* is failing currently with autofdo.

Running in gdb shows that there is a very deep recursion in get_index_by_decl until it
overflows the stack.

gcc/:
2017-12-11  Andi Kleen  <ak@linux.intel.com>

	PR gcov-profile/83355
	* auto-profile.c (string_table::get_index_by_decl): Don't
	recurse when abstract origin points to itself.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/auto-profile.c
    trunk/gcc/lto-streamer-in.c