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* [gcc r13-667] [Ada] Do not give warnings for compiler-generated entities by default
@ 2022-05-19 14:09 Pierre-Marie de Rodat
0 siblings, 0 replies; only message in thread
From: Pierre-Marie de Rodat @ 2022-05-19 14:09 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:e4c84b82c5f903de6911157281a837481bca780e
commit r13-667-ge4c84b82c5f903de6911157281a837481bca780e
Author: Eric Botcazou <ebotcazou@adacore.com>
Date: Wed Mar 23 14:46:28 2022 +0100
[Ada] Do not give warnings for compiler-generated entities by default
The rationale is that these entities are almost always the result of
expansion activities in the front-end, over which the user has very
limited control. These warnings can be restored by means of -gnatD.
gcc/ada/
* gcc-interface/utils.cc (gnat_pushdecl): Also set TREE_NO_WARNING
on the decl if Comes_From_Source is false for the associated node.
Diff:
---
gcc/ada/gcc-interface/utils.cc | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/gcc/ada/gcc-interface/utils.cc b/gcc/ada/gcc-interface/utils.cc
index d747c639a8f..c583acaf967 100644
--- a/gcc/ada/gcc-interface/utils.cc
+++ b/gcc/ada/gcc-interface/utils.cc
@@ -852,8 +852,11 @@ gnat_pushdecl (tree decl, Node_Id gnat_node)
if (!deferred_decl_context)
DECL_CONTEXT (decl) = context;
- suppress_warning (decl, all_warnings,
- No (gnat_node) || Warnings_Off (gnat_node));
+ /* Disable warnings for compiler-generated entities or explicit request. */
+ if (No (gnat_node)
+ || !Comes_From_Source (gnat_node)
+ || Warnings_Off (gnat_node))
+ suppress_warning (decl);
/* Set the location of DECL and emit a declaration for it. */
if (Present (gnat_node) && !renaming_from_instantiation_p (gnat_node))
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