Revert the fix for PR3800, it broke things.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78084 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/asm-inout.c b/test/CodeGen/asm-inout.c
index e0e42a3..0d8dbdf 100644
--- a/test/CodeGen/asm-inout.c
+++ b/test/CodeGen/asm-inout.c
@@ -1,8 +1,18 @@
 // RUN: clang-cc -triple i386-unknown-unknown -emit-llvm %s -o %t &&
 // RUN: grep "load i8\*\*\* %p.addr"  %t | count 1
+// XFAIL
 
 // PR3800
 void f(void **p)
 {
     __asm__ volatile("" :"+m"(*p));
 }
+
+#if 0
+// FIXME: Once this works again, we must verify that the code below behaves as expected
+// See PR4677.
+void f() {
+  unsigned _data = 42;
+  __asm__("bswap   %0":"+r"(_data));
+}
+#endif