https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120110
Bug ID: 120110 Summary: Instantiation error record aggregate must use (), not [] Product: gcc Version: 14.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ada Assignee: unassigned at gcc dot gnu.org Reporter: p.p11 at orange dot fr CC: dkm at gcc dot gnu.org Target Milestone: --- Created attachment 61308 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61308&action=edit Reproducer test_20250501_genagg.zip My instantiation of a generic package with a body including a container aggregate using [...] provoques a weird error: % gcc -c -gnat2022 -gnatv test_20250501_genagg.adb GNAT 14.2.0 Copyright 1992-2024, Free Software Foundation, Inc. Compiling: test_20250501_genagg.adb Source file time stamp: 2025-05-05 07:36:53 Compiled at: 2025-05-05 09:38:57 7. package NP is new Test_20250501_genagg_P (H); | >>> error: instantiation error at test_20250501_genagg_p.adb:10 >>> error: record aggregate must use (), not [] Whereas compilation of generic package is ok: % gcc -c -gnat2022 -gnatl test_20250501_genagg_p.adb GNAT 14.2.0 Copyright 1992-2024, Free Software Foundation, Inc. Compiling: test_20250501_genagg_p.adb Source file time stamp: 2025-05-05 07:36:07 Compiled at: 2025-05-05 09:41:10 1. with ada.Containers.Vectors; 2. with ada.Strings.Wide_Wide_Unbounded; 3. with Test_20250501_genagg_b; 4. package body Test_20250501_genagg_P is 5. procedure Agg (S : Wide_Wide_String) is 6. use type ada.Strings.Wide_Wide_Unbounded.Unbounded_Wide_Wide_String; 7. A : Test_20250501_genagg_b.My_C.Vector; 8. begin 9. A.append ("3.14"); 10. A := ["2.0" , Test_20250501_genagg_b.get_r("5.0" & S), "3.0"]; 11. end Agg; 12. end Test_20250501_genagg_P; Compiling: test_20250501_genagg_p.ads Source file time stamp: 2025-05-05 07:36:07 Compiled at: 2025-05-05 09:41:10 1. with Test_20250501_genagg_b; 2. generic 3. type E is new Test_20250501_genagg_b.K.Object with private; 4. package Test_20250501_genagg_P is 5. 6. procedure Agg(S : Wide_Wide_String) ; 7. 8. end; 12 lines: No errors The error is misleading. In attachement the complete source codes.