r239143 - in /trunk/libiberty: ChangeLog cplus-...

[law@gcc.gnu.org]

Author: law
Date: Thu Aug  4 16:53:18 2016
New Revision: 239143

URL: https://gcc.gnu.org/viewcvs?rev=239143&root=gcc&view=rev
Log:
2016-08-04  Marcel Böhme  <boehme.marcel@gmail.com>

	PR c++/71696
	* cplus-dem.c: Prevent infinite recursion when there is a cycle
	in the referencing of remembered mangled types.
	(work_stuff): New stack to keep track of the remembered mangled
	types that are currently being processed.
	(push_processed_type): New method to push currently processed
	remembered type onto the stack.
	(pop_processed_type): New method to pop currently processed
	remembered type from the stack.
	(work_stuff_copy_to_from): Copy values of new variables.
	(delete_non_B_K_work_stuff): Free stack memory.
	(demangle_args): Push/Pop currently processed remembered type.
	(do_type): Do not demangle a cyclic reference and push/pop
	referenced remembered type.

Modified:
    trunk/libiberty/ChangeLog
    trunk/libiberty/cplus-dem.c
    trunk/libiberty/testsuite/demangle-expected