[flang-commits] [flang] [RFC][flang] Trampolines for internal procedures. (PR #66157)

[Kiran Chandramohan via flang-commits]

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+<!--===- docs/InternalProcedureTrampolines.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
+
+-->
+
+# Trampolines for pointers to internal procedures.
+
+## Overview
+
+```fortran
+subroutine host()
+  integer :: local = 10
+  call internal()
+  return
+
+  contains
+  subroutine internal()
+    print *, local
+  end subroutine internal
+end subroutine host
+```
+
+Procedure code generated for subprogram `inernal()` must have access to the scope of
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kiranchandramohan wrote:

Nit: inernal -> internal

https://github.com/llvm/llvm-project/pull/66157