[flang-commits] [flang] [flang] only instantiate referenced use associated variables (PR #222318)

[Jean-Didier PAILLEUX via flang-commits]

================
@@ -16,6 +16,7 @@ end module m_coarray_test
 
 program test
   use m_coarray_test
+  module_coarray = 1.0
----------------
JDPailleux wrote:

Hi @jeanPerier, 
Thanks for this patch, it's a great idea that makes the IR easier to read!
I agree with you and we don't need to allocate all unused variables.
I tested it locally with small examples, and it works fine for me.

LGTM

https://github.com/llvm/llvm-project/pull/222318