[gcc r15-1477] ada: Document -gnatd_w for CCG

[Marc Poulhi?s]

https://gcc.gnu.org/g:20f5d5e09df70e7563242059a4d2bf1e3b07bcaa

commit r15-1477-g20f5d5e09df70e7563242059a4d2bf1e3b07bcaa
Author: Richard Kenner <kenner@adacore.com>
Date:   Wed May 15 12:50:58 2024 -0400

    ada: Document -gnatd_w for CCG
    
    gcc/ada/
    
            * debug.adb: Add documentation for -gnatd_w.

Diff:
---
 gcc/ada/debug.adb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcc/ada/debug.adb b/gcc/ada/debug.adb
index 602a8fa0b635..97f88b7664f3 100644
--- a/gcc/ada/debug.adb
+++ b/gcc/ada/debug.adb
@@ -159,7 +159,7 @@ package body Debug is
    --  d_t  In LLVM-based CCG, dump LLVM IR after transformations are done
    --  d_u  In LLVM-based CCG, dump flows
    --  d_v  Enable additional checks and debug printouts in Atree
-   --  d_w
+   --  d_w  In LLVM-based CCG, don't send front end data to CCG
    --  d_x  Disable inline expansion of Image attribute for enumeration types
    --  d_y
    --  d_z
@@ -1011,6 +1011,8 @@ package body Debug is
 
    --  d_v  Enable additional checks and debug printouts in Atree
 
+   --  d_w  In LLVM-based CCG, don't send front end data to CCG
+
    --  d_x  The compiler does not expand in line the Image attribute for user-
    --       defined enumeration types and the standard boolean type.