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4324b82e99
While comparing two function types a given sub-type can itself have a
sub-type that *is* the same function_type as the one we are looking
at. In that case, an infinite loop appears.
This patch detects those cases, similarly to what we do for class_decl
and avoids the eventual infinite loop.
* include/abg-ir.h (class environment): Make class function_type
be a friend of this class.
(class function_type): Make the equality function for
function_types be a friend of this class.
* src/abg-ir.cc (environment::priv::fn_types_being_compared_): New
data member.
(function_type::priv::{mark_as_being_compared,
unmark_as_being_compared, comparison_started}): Define new member
functions.
(equals): In the overload for function_types, if any of the the
function_type being compared is already being compared, return
early saying that the two function_types are equal. This avoids
Signed-off-by: Dodji Seketeli <dodji@redhat.com>
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| .. | ||
| abg-comp-filter.h | ||
| abg-comparison.h | ||
| abg-config.h | ||
| abg-corpus.h | ||
| abg-diff-utils.h | ||
| abg-dwarf-reader.h | ||
| abg-fwd.h | ||
| abg-hash.h | ||
| abg-ini.h | ||
| abg-interned-str.h | ||
| abg-ir.h | ||
| abg-libxml-utils.h | ||
| abg-libzip-utils.h | ||
| abg-reader.h | ||
| abg-sptr-utils.h | ||
| abg-suppression.h | ||
| abg-tools-utils.h | ||
| abg-traverse.h | ||
| abg-version.h.in | ||
| abg-viz-common.h | ||
| abg-viz-dot.h | ||
| abg-viz-svg.h | ||
| abg-workers.h | ||
| abg-writer.h | ||
| Makefile.am | ||