* [Ada] Syntax error in Ada 2022 array aggregate causes bug box
@ 2022-09-12 8:19 Marc Poulhiès
0 siblings, 0 replies; only message in thread
From: Marc Poulhiès @ 2022-09-12 8:19 UTC (permalink / raw)
To: gcc-patches; +Cc: Steve Baird
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Check for the case where a user writes "in" instead of "of" in an
aggregate like "[for E in Some_Array when Some_Filter (E) => E]".
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* sem_aggr.adb
(Resolve_Array_Aggregate): Generate an appropriate error message
in the case where an error in the source code leads to an
N_Iterated_Element_Association node in a bad context.
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diff --git a/gcc/ada/sem_aggr.adb b/gcc/ada/sem_aggr.adb
--- a/gcc/ada/sem_aggr.adb
+++ b/gcc/ada/sem_aggr.adb
@@ -1987,6 +1987,11 @@ package body Sem_Aggr is
while Present (Assoc) loop
if Nkind (Assoc) = N_Iterated_Component_Association then
Resolve_Iterated_Component_Association (Assoc, Index_Typ);
+
+ elsif Nkind (Assoc) /= N_Component_Association then
+ Error_Msg_N
+ ("invalid component association for aggregate", Assoc);
+ return Failure;
end if;
Choice := First (Choice_List (Assoc));
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2022-09-12 8:19 [Ada] Syntax error in Ada 2022 array aggregate causes bug box Marc Poulhiès
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