[clang][OpenMP] Propoagate debug location to OMPIRBuilder reduction codegen (llvm#100358)

This patch propagates the debug location from Clang to the
OpenMPIRBuilder.

Fixes llvm#97458

(cherry picked from commit 5b15d9c)

Author: jsjodin

clang/lib/CodeGen/CGOpenMPRuntimeGPU.cpp

@@ -1695,7 +1695,8 @@ void CGOpenMPRuntimeGPU::emitReduction(
                          CGF.AllocaInsertPt->getIterator());
   InsertPointTy CodeGenIP(CGF.Builder.GetInsertBlock(),
                           CGF.Builder.GetInsertPoint());
-  llvm::OpenMPIRBuilder::LocationDescription OmpLoc(CodeGenIP);
+  llvm::OpenMPIRBuilder::LocationDescription OmpLoc(
+      CodeGenIP, CGF.SourceLocToDebugLoc(Loc));
   llvm::SmallVector<llvm::OpenMPIRBuilder::ReductionInfo> ReductionInfos;
 
   CodeGenFunction::OMPPrivateScope Scope(CGF);