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ir: Improve the checks done by 'abidw --debug-tc'

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The abidw --debug-tc option (enabled by the
--enable-debug-type-canonicalization configure option) performs every
type comparison twice; once structurally and once canonically.

This patch improves that checking mode by disabling comparison result
caching.  It makes things slower but it makes the checking more
reliable.

	* src/abg-ir.cc (compare_types_during_canonicalization): Disable
	type comparison result caching during type canonicalization
	debugging.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
This commit is contained in:
Dodji Seketeli 2024-09-05 15:17:04 +02:00
parent 4cea6708d6
commit 83f611b5f7
1 changed files with 2 additions and 0 deletions
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src/abg-ir.cc
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@ -15214,10 +15214,12 @@ compare_types_during_canonicalization(const type_base& canonical_type,
if (env.debug_type_canonicalization_is_on())
{
bool canonical_equality = false, structural_equality = false;
env.priv_->allow_type_comparison_results_caching(false);
env.priv_->use_canonical_type_comparison_ = false;
structural_equality = canonical_type == candidate_type;
env.priv_->use_canonical_type_comparison_ = true;
canonical_equality = canonical_type == candidate_type;
env.priv_->allow_type_comparison_results_caching(true);
if (canonical_equality != structural_equality)
{
std::cerr << "structural & canonical equality different for type: "