[clang] [flang] [llvm] [openmp] [Clang][OpenMP][LoopTransformations] Add support for "#pragma omp fuse" loop transformation directive and "looprange" clause (PR #139293)

[Alexey Bataev via cfe-commits]

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@@ -11516,6 +11516,21 @@ def note_omp_implicit_dsa : Note<
   "implicitly determined as %0">;
 def err_omp_loop_var_dsa : Error<
   "loop iteration variable in the associated loop of 'omp %1' directive may not be %0, predetermined as %2">;
+def warn_omp_different_loop_ind_var_types : Warning <
+  "loop sequence following '#pragma omp %0' contains induction variables of differing types: %1 and %2">,
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alexey-bataev wrote:

There is no such restriction in the standard, so if we can promote to larger type, we should do it

https://github.com/llvm/llvm-project/pull/139293