[clang] [llvm] [openmp] [Clang][OpenMP] Add `#pragma omp flatten` loop directive + `depth` clause (PR #206977)

[Alexey Bataev via cfe-commits]

================
@@ -0,0 +1,12 @@
+// RUN: c-index-test -test-load-source local %s -fopenmp=libomp -fopenmp-version=60 | FileCheck %s
+
+void test(void) {
----------------
alexey-bataev wrote:

Yes, but do you handle it correctly with this patch?

https://github.com/llvm/llvm-project/pull/206977