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* [gcc r10-10117] [Ada] Fix bogus error for bit-packed array with volatile component
@ 2021-09-14 7:49 Eric Botcazou
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From: Eric Botcazou @ 2021-09-14 7:49 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:2a4b29cdfd06346f7219bc5d9c21265dd354509f
commit r10-10117-g2a4b29cdfd06346f7219bc5d9c21265dd354509f
Author: Eric Botcazou <ebotcazou@adacore.com>
Date: Tue Aug 4 15:08:56 2020 +0200
[Ada] Fix bogus error for bit-packed array with volatile component
gcc/ada/
* freeze.adb (Check_Strict_Alignment): Do not set the flag for
a bit-packed array type, even if it is a by-reference type.
Diff:
---
gcc/ada/freeze.adb | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/gcc/ada/freeze.adb b/gcc/ada/freeze.adb
index 0312ca704aa..458e1b4d3c2 100644
--- a/gcc/ada/freeze.adb
+++ b/gcc/ada/freeze.adb
@@ -1610,7 +1610,10 @@ package body Freeze is
Comp : Entity_Id;
begin
- if Is_By_Reference_Type (E) then
+ -- Bit-packed array types do not require strict alignment, even if they
+ -- are by-reference types, because they are accessed in a special way.
+
+ if Is_By_Reference_Type (E) and then not Is_Bit_Packed_Array (E) then
Set_Strict_Alignment (E);
elsif Is_Array_Type (E) then
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2021-09-14 7:49 [gcc r10-10117] [Ada] Fix bogus error for bit-packed array with volatile component Eric Botcazou
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