diff mbox series

[pushed] tree: update address_space comment

Message ID 20231025192420.3276488-1-jason@redhat.com
State New
Headers show
Series [pushed] tree: update address_space comment | expand

Commit Message

Jason Merrill Oct. 25, 2023, 7:24 p.m. UTC 
Pushing as obvious.

-- 8< --

Mention front-end uses of the address_space bit-field, and remove the
inaccurate "only".

gcc/ChangeLog:

	* tree-core.h (struct tree_base): Update address_space comment.
---
 gcc/tree-core.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)


base-commit: 406709b1c7b134a7a05445837f406e98c04f76f0
diff mbox series

Patch

diff --git a/gcc/tree-core.h b/gcc/tree-core.h
index 4dc36827d32..13435344401 100644
--- a/gcc/tree-core.h
+++ b/gcc/tree-core.h
@@ -1082,10 +1082,11 @@  struct GTY(()) tree_base {
 
       unsigned spare1 : 8;
 
-      /* This field is only used with TREE_TYPE nodes; the only reason it is
+      /* For _TYPE nodes, this is TYPE_ADDR_SPACE; the reason it is
 	 present in tree_base instead of tree_type is to save space.  The size
 	 of the field must be large enough to hold addr_space_t values.
-	 For CONSTRUCTOR nodes this holds the clobber_kind enum.  */
+	 For CONSTRUCTOR nodes this holds the clobber_kind enum.
+	 The C++ front-end uses this in IDENTIFIER_NODE and NAMESPACE_DECL.  */
       unsigned address_space : 8;
     } bits;