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David Malcolm 00cb0f5840 analyzer: fix infinite recursion ICE on unions [PR96723]
Attempts to store sm-state into a union in C++ triggered an infinite
recursion when trying to generate a representative tree, due to
erroneously trying to use the dtor of the union as a field.

Fix it by filtering out non-FIELD_DECLs when walking TYPE_FIELDs
in region::get_subregions_for_binding.

gcc/analyzer/ChangeLog:
	PR analyzer/96723
	* region-model-manager.cc
	(region_model_manager::get_field_region): Assert that field is a
	FIELD_DECL.
	* region.cc (region::get_subregions_for_binding): In
	union-handling, filter the TYPE_FIELDS traversal to just FIELD_DECLs.

gcc/testsuite/ChangeLog:
	PR analyzer/96723
	* g++.dg/analyzer/pr96723.C: New test.
2020-08-20 17:01:38 -04:00
config configure: Also check C++11 (flags) for ${build} compiler not only for ${host} 2020-08-20 21:59:00 +02:00
contrib Daily bump. 2020-07-30 00:16:24 +00:00
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gcc analyzer: fix infinite recursion ICE on unions [PR96723] 2020-08-20 17:01:38 -04:00
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libgo libgo: correctly handle AIX FAT library creation 2020-08-12 11:33:54 -07:00
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configure configure: Also check C++11 (flags) for ${build} compiler not only for ${host} 2020-08-20 21:59:00 +02:00
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