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Commit 7a04f01c authored by Jakub Jelinek's avatar Jakub Jelinek Committed by Jakub Jelinek
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re PR tree-optimization/53239 (VRP vs named value return opt) 

	PR tree-optimization/53239
	* tree-vrp.c (get_value_range): Set VR of
	SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
	to nonnull.

	* g++.dg/opt/vrp3.C: New test.
	* g++.dg/opt/vrp3-aux.cc: New file.
	* g++.dg/opt/vrp3.h: New file.

From-SVN: r187240
parent 4f22d430
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