[flang-commits] [flang] [flang] Add notes from 9-23-26 Flang Community Call (PR #225841)

[Tarun Prabhu via flang-commits]

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+<!--===- docs/MeetingNotes/2026/2026-09-23.md
+
+   Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+   See https://llvm.org/LICENSE.txt for license information.
+   SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+-->
+# Community Call 2026-09-23
+
+## Agenda
+
+* Design docs and/or RFCs
+  * [\[RFC\]\[Flang\]\[DebugInfo\] Inconsistent GDB Breakpoint Behavior for Fortran \`ENTRY\` Procedures](https://discourse.llvm.org/t/rfc-flang-debuginfo-inconsistent-gdb-breakpoint-behavior-for-fortran-entry-procedures/91767/1)
+    * Discussion continues on Discourse
+  * [Cross-compilation of real(kind=16)](https://discourse.llvm.org/t/cross-compilation-of-real-kind-16/89161)
+    * PR has been posted: [https://github.com/llvm/llvm-project/pull/221907](https://github.com/llvm/llvm-project/pull/221907)
+    * This will be a change to the compiler’s behavior, previously execution would error unconditionally but with this PR execution will now continue if the platform supports quadprecision arithmetic even if a library containing quadprecision intrinsics is not available
+    * Idea: move the error as early as possible, even into compile time error
+      * Counterpoint: can not detect at compile time if the library is available on the target machine, this needs to remain a linker error
+    * Please put comments on the PR, the author can not attend the calls due to timezone issues
+  * [Removing or reducing redundant messages in Integration tests](https://discourse.llvm.org/t/removing-or-reducing-redundant-messages-in-integration-tests/91591)
+    * First PR is up for review: [https://github.com/llvm/llvm-project/pull/221766](https://github.com/llvm/llvm-project/pull/221766)
+  * [Runtime unformatted I/O conversion between big and little endian formats](https://discourse.llvm.org/t/runtime-unformatted-i-o-conversion-between-big-and-little-endian-formats/91751)
+    * Continue discussion on Discourse post
+  *  [\[RFC\] Reduce \`ExternalFileUnit::Emit()\` call overhead for formatted sequential output](https://discourse.llvm.org/t/rfc-reduce-externalfileunit-emit-call-overhead-for-formatted-sequential-output/91674)
+    * Related PR has been posted: [https://github.com/llvm/llvm-project/pull/222522](https://github.com/llvm/llvm-project/pull/222522)
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tarunprabhu wrote:

Something here is not indented correctly. This bullet should be nested within the previous one but is being rendered at the same level instead.

I checked the rendering [here](https://github.com/llvm-project-tlp/llvm-project/blob/flang_call_9_23/flang/docs/MeetingNotes/2026/2026-09-23.md)

https://github.com/llvm/llvm-project/pull/225841