[Ada] Plug loophole in Possible_Type_For_Conditional_Expression
We need to check that the designated subprograms of access-to-subprogram types are subtype conformant before registering a common interpretation. gcc/ada/ * sem_ch4.adb (Possible_Type_For_Conditional_Expression): Add test for subtype conformance in the cases of access-to-subprogram types.
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@ -7904,11 +7904,15 @@ package body Sem_Ch4 is
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elsif Is_Access_Subprogram_Attribute (T1)
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and then Is_Access_Subprogram_Attribute (T2)
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and then
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Subtype_Conformant (Designated_Type (T1), Designated_Type (T2))
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then
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return T1;
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elsif Is_Access_Protected_Subprogram_Attribute (T1)
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and then Is_Access_Protected_Subprogram_Attribute (T2)
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and then
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Subtype_Conformant (Designated_Type (T1), Designated_Type (T2))
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then
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return T1;
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