Index: test/tools/llvm-mc/line_end_with_space.test
===================================================================
--- test/tools/llvm-mc/line_end_with_space.test
+++ test/tools/llvm-mc/line_end_with_space.test
@@ -0,0 +1,2 @@
+RUN: llvm-mc -disassemble %s
+ 
\ No newline at end of file
Index: tools/llvm-mc/Disassembler.cpp
===================================================================
--- tools/llvm-mc/Disassembler.cpp
+++ tools/llvm-mc/Disassembler.cpp
@@ -106,7 +106,7 @@
 
     // If this is the end of a line or start of a comment, remove the rest of
     // the line.
-    if (Str[0] == '\n' || Str[0] == '#') {
+    else if (Str[0] == '\n' || Str[0] == '#') {
       // Strip to the end of line if we already processed any bytes on this
       // line.  This strips the comment and/or the \n.
       if (Str[0] == '\n') {