[all-commits] [llvm/llvm-project] ab6cc6: [flang] Allow nested scopes for implied DO loops w...

[Eugene Epshteyn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ab6cc6b7b3a3de5e6f5999601f0d40ab2b2819e2
      https://github.com/llvm/llvm-project/commit/ab6cc6b7b3a3de5e6f5999601f0d40ab2b2819e2
  Author: Eugene Epshteyn <eepshteyn at nvidia.com>
  Date:   2025-03-04 (Tue, 04 Mar 2025)

  Changed paths:
    M flang/lib/Semantics/resolve-names.cpp
    M flang/test/Semantics/resolve40.f90
    M flang/test/Semantics/symbol09.f90

  Log Message:
  -----------
  [flang] Allow nested scopes for implied DO loops with DATA statements (#129410)

Previously, nested scopes for implied DO loops with DATA statements were
disallowed, which meant that the following code couldn't compile due to
re-use of `j` loop variable name:
    
    DATA (a(i),(b(i,j),j=1,3),(c(i,j),j=1,3),i=0,4)/
    
This change allows nested scopes implied DO loops, which allows the code
above to compile.

Tests modified to in accordance with this change:
Semantics/resolve40.f90, Semantics/symbol09.f90



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