Revert "[CUDA]Delayed diagnostics for the asm instructions."

This reverts commit r354593 to fix the problem with the crash on
windows.

llvm-svn: 354596
diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
index 512e256d..fe1676a 100644
--- a/clang/lib/Sema/SemaExprCXX.cpp
+++ b/clang/lib/Sema/SemaExprCXX.cpp
@@ -750,7 +750,7 @@
                                bool IsThrownVarInScope) {
   // Don't report an error if 'throw' is used in system headers.
   if (!getLangOpts().CXXExceptions &&
-      !getSourceManager().isInSystemHeader(OpLoc) && !getLangOpts().CUDA) {
+      !getSourceManager().isInSystemHeader(OpLoc)) {
     // Delay error emission for the OpenMP device code.
     targetDiag(OpLoc, diag::err_exceptions_disabled) << "throw";
   }