Use forceinline. Necessary for nvcc to inline small functions within the bitcode library

Summary:
[libomptarget] Use forceinline. Necessary for nvcc to inline small functions within the bitcode library
Suggested in D65836

Reviewers: ABataev, jdoerfert, grokos, gregrodgers

Subscribers: openmp-commits

Tags: #openmp

Differential Revision: https://reviews.llvm.org/D65876

git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@368177 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/libomptarget/deviceRTLs/nvptx/src/option.h b/libomptarget/deviceRTLs/nvptx/src/option.h
index b3661d5..0b04fdf 100644
--- a/libomptarget/deviceRTLs/nvptx/src/option.h
+++ b/libomptarget/deviceRTLs/nvptx/src/option.h
@@ -55,7 +55,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 #define EXTERN extern "C" __device__
-#define INLINE __inline__ __device__
+#define INLINE __forceinline__ __device__
 #define NOINLINE __noinline__ __device__
 #ifndef TRUE
 #define TRUE 1