Fix spelling

Author: tblah

flang/test/Integration/OpenMP/parallel-private-reduction-worstcase.f90

@@ -1,8 +1,8 @@
 ! RUN: %flang_fc1 -fopenmp -emit-llvm %s -o - | FileCheck %s
 
-! Compinational testing of control flow graph and builder insertion points
+! Combinational testing of control flow graph and builder insertion points
 ! in mlir-to-llvm conversion:
-!   - mixing multiple delayed privatisations and multiple reductions
+!   - mixing multiple delayed privatizations and multiple reductions
 !   - multiple blocks in the private alloc region
 !   - private alloc region has to read from the mold variable
 !   - firstprivate
@@ -16,7 +16,7 @@
 !   - needs reduction cleanup region, and this has multiple blocks
 
 ! This maybe belongs in the mlir tests, but what we are doing here is complex
-! enough that I find the kind of minimised mlir code prefered by mlir reviwers
+! enough that I find the kind of minimised mlir code preferred by mlir reviewers
 ! hard to read without some fortran here for reference. Nothing like this would
 ! be generated by other upstream users of the MLIR OpenMP dialect.