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[Ada] Fix crash on renaming of unconstrained array in ASIS mode

Message ID 2995576.uBy80ulNCv@polaris
State New
Headers show

Commit Message

Eric Botcazou Nov. 24, 2015, 8:52 a.m. UTC 
This fixes a crash in an obscure case in ASIS mode.

Tested on x86-64/Linux, applied on the mainline.


2015-11-24  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gnat_to_gnu): In type_annotate_only mode, do
	not build a NULL_EXPR for an N_Expanded_Name.
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Patch

Index: gcc-interface/trans.c
===================================================================
--- gcc-interface/trans.c	(revision 230786)
+++ gcc-interface/trans.c	(working copy)
@@ -5734,6 +5734,7 @@  gnat_to_gnu (Node_Id gnat_node)
      types, make this into a NULL_EXPR.  */
   if (type_annotate_only
       && IN (kind, N_Subexpr)
+      && kind != N_Expanded_Name
       && kind != N_Identifier
       && !Compile_Time_Known_Value (gnat_node))
     return build1 (NULL_EXPR, get_unpadded_type (Etype (gnat_node)),