[flang][OpenMP] Set _OPENMP macro for version 6.0 (#144410)

Author: kparzysz

flang/include/flang/Support/OpenMP-features.h

@@ -42,6 +42,9 @@ void setOpenMPMacro(int version, FortranPredefinitions &predefinitions) {
   case 52:
     predefinitions.emplace_back("_OPENMP", "202111");
     break;
+  case 60:
+    predefinitions.emplace_back("_OPENMP", "202411");
+    break;
   case 11:
   default:
     predefinitions.emplace_back("_OPENMP", "199911");

flang/test/Driver/flang-openmp-version-macro.f90

@@ -2,7 +2,6 @@
 
 ! RUN: %flang_fc1 -fopenmp -cpp -E %s | FileCheck %s --check-prefix=DEFAULT-OPENMP-VERSION
 ! RUN: %flang_fc1 -fopenmp -fopenmp-version=11 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-11
-! RUN: %flang_fc1 -fopenmp -fopenmp-version=11 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-11
 ! RUN: %flang_fc1 -fopenmp -fopenmp-version=20 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-20
 ! RUN: %flang_fc1 -fopenmp -fopenmp-version=25 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-25
 ! RUN: %flang_fc1 -fopenmp -fopenmp-version=30 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-30
@@ -12,6 +11,7 @@
 ! RUN: %flang_fc1 -fopenmp -fopenmp-version=50 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-50
 ! RUN: %flang_fc1 -fopenmp -fopenmp-version=51 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-51
 ! RUN: %flang_fc1 -fopenmp -fopenmp-version=52 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-52
+! RUN: %flang_fc1 -fopenmp -fopenmp-version=60 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-60
 
 ! DEFAULT-OPENMP-VERSION: integer :: var1 = 201107
 ! OPENMP-VERSION-11: integer :: var1 = 199911
@@ -24,6 +24,7 @@
 ! OPENMP-VERSION-50: integer :: var1 = 201811
 ! OPENMP-VERSION-51: integer :: var1 = 202011
 ! OPENMP-VERSION-52: integer :: var1 = 202111
+! OPENMP-VERSION-60: integer :: var1 = 202411
 
 #if _OPENMP
   integer :: var1 = _OPENMP