diff options
Diffstat (limited to 'gcc/ada/sinfo.ads')
-rw-r--r-- | gcc/ada/sinfo.ads | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ada/sinfo.ads b/gcc/ada/sinfo.ads index 86d95305..36bd33f 100644 --- a/gcc/ada/sinfo.ads +++ b/gcc/ada/sinfo.ads @@ -4262,7 +4262,11 @@ package Sinfo is -- Note: the Then_Actions and Else_Actions fields are always set to -- No_List in the tree passed to Gigi. These fields are used only - -- for temporary processing purposes in the expander. + -- for temporary processing purposes in the expander. Even though they + -- are semantic fields, their parent pointers are set because analysis + -- of actions nodes in those lists may generate additional actions that + -- need to know their insertion point (for example for the creation of + -- transient scopes). ---------------------------- -- 4.5.7 Case Expression -- |