From: Javier Miranda <mira...@adacore.com>
gcc/ada/
* exp_ch6.adb
(Needs_BIP_Alloc_Form): Return False for functions with foreign
convention since we never use build-in-place for such functions.
Tested on x86_64-pc-linux-gnu, committed on master.
---
gcc/ada/exp_ch6.adb | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/gcc/ada/exp_ch6.adb b/gcc/ada/exp_ch6.adb
index af7f75342fa..b8e5a720a7c 100644
--- a/gcc/ada/exp_ch6.adb
+++ b/gcc/ada/exp_ch6.adb
@@ -9435,9 +9435,14 @@ package body Exp_Ch6 is
-- types, and those can be used to call primitives, so the formal needs
-- to be passed to all such build-in-place functions, primitive or not.
+ -- We never use build-in-place if the function has foreign convention,
+ -- but note that it is OK for a build-in-place function to return a
+ -- type with a foreign convention because the machinery ensures there
+ -- is no copying.
+
return not Restriction_Active (No_Secondary_Stack)
and then (Needs_Secondary_Stack (Typ) or else Is_Tagged_Type (Typ))
- and then not Has_Foreign_Convention (Typ);
+ and then not Has_Foreign_Convention (Func_Id);
end Needs_BIP_Alloc_Form;
-------------------------------------
--
2.40.0
