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[Ada] Add missing guard before call to Interface_Present_In_Ancestor

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gcc/ada/

	* sem_type.adb (Specific_Type): Check that the type is tagged
	before calling Interface_Present_In_Ancestor on it.
This commit is contained in:
Eric Botcazou 2021-08-12 18:12:40 +02:00 • committed by Pierre-Marie de Rodat
parent f54be415c1
commit 3a81dbb618
1 changed files with 2 additions and 1 deletions
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gcc/ada/sem_type.adb
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@ -3424,7 +3424,8 @@ package body Sem_Type is
-- Ada 2005 (AI-251): T1 is a concrete type that implements the
-- class-wide interface T2
elsif Is_Class_Wide_Type (T2)
elsif Is_Tagged_Type (T1)
and then Is_Class_Wide_Type (T2)
and then Is_Interface (Etype (T2))
and then Interface_Present_In_Ancestor (Typ => T1,
Iface => Etype (T2))