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[Ada] Fix spurious error on unchecked conversion on VFA record type

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2018-08-21  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* gcc-interface/trans.c (Call_to_gnu): Always suppress an
	unchecked conversion around the actual for an In parameter
	passed by copy.

From-SVN: r263718
This commit is contained in:
Eric Botcazou 2018-08-21 14:46:45 +00:00 committed by Pierre-Marie de Rodat
parent 294e7bbb9e
commit 1ab1c4ee18
2 changed files with 7 additions and 0 deletions
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6
gcc/ada/ChangeLog
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@ -1,3 +1,9 @@
2018-08-21 Eric Botcazou <ebotcazou@adacore.com>
* gcc-interface/trans.c (Call_to_gnu): Always suppress an
unchecked conversion around the actual for an In parameter
passed by copy.
2018-08-21 Eric Botcazou <ebotcazou@adacore.com>
* exp_util.adb (Is_Possibly_Unaligned_Object): For the case of a

1
gcc/ada/gcc-interface/trans.c
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@ -4450,6 +4450,7 @@ Call_to_gnu (Node_Id gnat_node, tree *gnu_result_type_p, tree gnu_target,
const bool suppress_type_conversion
= ((Nkind (gnat_actual) == N_Unchecked_Type_Conversion
&& (!in_param
|| !is_by_ref_formal_parm
|| (Is_Composite_Type (Underlying_Type (gnat_formal_type))
&& !Is_Constrained (Underlying_Type (gnat_formal_type)))))
|| (Nkind (gnat_actual) == N_Type_Conversion