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-rw-r--r--gcc/ada/debug.adb8
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ada/debug.adb b/gcc/ada/debug.adb
index 64162ef..a1a1d8c 100644
--- a/gcc/ada/debug.adb
+++ b/gcc/ada/debug.adb
@@ -141,7 +141,7 @@ package body Debug is
-- d.U Ignore indirect calls for static elaboration
-- d.V
-- d.W Print out debugging information for Walk_Library_Items
- -- d.X
+ -- d.X Old treatment of indexing aspects
-- d.Y
-- d.Z
@@ -685,6 +685,12 @@ package body Debug is
-- the order in which units are walked. This is primarily for use in
-- debugging CodePeer mode.
+ -- d.X A previous version of GNAT allowed indexing aspects to be
+ -- redefined on derived container types, while the default iterator
+ -- was inherited from the aprent type. This non-standard extension
+ -- is preserved temporarily for use by the modelling project under
+ -- debug flag d.X.
+
-- d1 Error messages have node numbers where possible. Normally error
-- messages have only source locations. This option is useful when
-- debugging errors caused by expanded code, where the source location