Fix __HIP_DEVICE_COMPILE__ not defined when hip/math_functions.h is included

This fixes build failure in TensorFlow 1.8 for HCC

include/hip/math_functions.h

@@ -27,6 +27,7 @@ THE SOFTWARE.
 // paths to provide a consistent include env and avoid "missing symbol" errors that only appears
 // on NVCC path:
 
+#include <hip/hip_common.h>
 
 #if defined(__HIP_PLATFORM_HCC__) && !defined(__HIP_PLATFORM_NVCC__)
 #include <hip/hcc_detail/math_functions.h>

tests/src/deviceLib/hipTestIncludeMath.cpp

@@ -31,6 +31,20 @@ THE SOFTWARE.
 // declartions.
 
 #include <hip/math_functions.h>
+
+// Test __HIP_DEVICE_COMPILE__ is defined after math_functions.h
+// is included.
+//
+__device__ __host__ inline void throw_std_bad_alloc()
+{
+  #ifndef __HIP_DEVICE_COMPILE__
+    throw std::bad_alloc();
+  #else
+    std::size_t huge = static_cast<std::size_t>(-1);
+    new int[huge];
+  #endif
+}
+
 #include <hip/hip_runtime.h>
 #include "test_common.h"