diff options
Diffstat (limited to 'gcc/ada/exp_ch6.ads')
| -rw-r--r-- | gcc/ada/exp_ch6.ads | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/ada/exp_ch6.ads b/gcc/ada/exp_ch6.ads index 07a88c55c3c..76cec4d4e47 100644 --- a/gcc/ada/exp_ch6.ads +++ b/gcc/ada/exp_ch6.ads @@ -134,8 +134,11 @@ package Exp_Ch6 is -- -- For inherently limited types in Ada 2005, True means that calls will -- actually be build-in-place in all cases. For other types, build-in-place - -- will be used when possible, but we need to make a copy at the call site - -- in some cases, notably assignment statements. + -- will be used when possible, but we need to make a copy in some + -- cases. For example, for "X := F(...);" if F can see X, or if F can + -- propagate exceptions, we need to store its result in a temp in general, + -- and copy the temp into X. Also, for "return Global_Var;" Global_Var + -- needs to be copied into the function result object. function Is_Build_In_Place_Function (E : Entity_Id) return Boolean; -- Ada 2005 (AI-318-02): Returns True if E denotes a function, generic |