* [Ada] Disable certain checks in predefined units
@ 2021-06-15 10:20 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2021-06-15 10:20 UTC (permalink / raw)
To: gcc-patches; +Cc: Bob Duff
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This patch fixes a failure of ACATS test cxaib08, which was getting
errors in instances of Bounded_Hashed_Maps about nonpreelaborable
constructs.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* sem_cat.adb (Check_Non_Static_Default_Expr): Allow nonstatic
expression in predefined unit with pragma Preelaborate.
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diff --git a/gcc/ada/sem_cat.adb b/gcc/ada/sem_cat.adb
--- a/gcc/ada/sem_cat.adb
+++ b/gcc/ada/sem_cat.adb
@@ -356,6 +356,14 @@ package body Sem_Cat is
if Present (Expression (Component_Decl))
and then Nkind (Expression (Component_Decl)) /= N_Null
and then not Is_OK_Static_Expression (Expression (Component_Decl))
+
+ -- If we're in a predefined unit, we can put whatever we like in a
+ -- preelaborated package, and in fact in some cases it's necessary
+ -- to bend the rules. Ada.Containers.Bounded_Hashed_Maps contains
+ -- some code that would not be considered preelaborable in user
+ -- code, for example.
+
+ and then not In_Predefined_Unit (Component_Decl)
then
Error_Msg_Sloc := Sloc (Component_Decl);
Error_Msg_F
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