[X86] Change MS inline asm clobber list filter to check for 'fpsr' instead of 'fpsw' after D57641.

Summary: The backend used to print the x87 FPSW register as 'fpsw', but gcc inline asm uses 'fpsr'. After D57641, the backend now uses 'fpsr' to match.

Reviewers: rnk

Reviewed By: rnk

Subscribers: eraman, cfe-commits, llvm-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D57642

llvm-svn: 353142
diff --git a/clang/lib/Parse/ParseStmtAsm.cpp b/clang/lib/Parse/ParseStmtAsm.cpp
index 832097e..3c4bc07 100644
--- a/clang/lib/Parse/ParseStmtAsm.cpp
+++ b/clang/lib/Parse/ParseStmtAsm.cpp
@@ -636,7 +636,7 @@
   // Filter out "fpsw" and "mxcsr". They aren't valid GCC asm clobber
   // constraints. Clang always adds fpsr to the clobber list anyway.
   llvm::erase_if(Clobbers, [](const std::string &C) {
-    return C == "fpsw" || C == "mxcsr";
+    return C == "fpsr" || C == "mxcsr";
   });
 
   // Build the vector of clobber StringRefs.