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[Bug binutils/22187] infinite loop in find_abstract_instance_name (dwarf
From: |
cvs-commit at gcc dot gnu.org |
Subject: |
[Bug binutils/22187] infinite loop in find_abstract_instance_name (dwarf2.c) |
Date: |
Sun, 24 Sep 2017 06:56:55 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=22187
--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot
gnu.org> ---
The master branch has been updated by Alan Modra <address@hidden>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=52a93b95ec0771c97e26f0bb28630a271a667bd2
commit 52a93b95ec0771c97e26f0bb28630a271a667bd2
Author: Alan Modra <address@hidden>
Date: Sun Sep 24 14:37:16 2017 +0930
PR22187, infinite loop in find_abstract_instance_name
This patch prevents the simple case of infinite recursion in
find_abstract_instance_name by ensuring that the attributes being
processed are not the same as the previous call.
The patch also does a little cleanup, and leaves in place some changes
to the nested_funcs array that I made when I wrongly thought looping
might occur in scan_unit_for_symbols.
PR 22187
* dwarf2.c (find_abstract_instance_name): Add orig_info_ptr and
pname param. Return status. Make name const. Don't abort,
return an error. Formatting. Exit if current info_ptr matches
orig_info_ptr. Update callers.
(scan_unit_for_symbols): Start at nesting_level of zero. Make
nested_funcs an array of structs for extensibility. Formatting.
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