Emit .comm alignment in bytes but .align in powers of 2 for ARM ELF.

Original patch by Sandeep Patel and updated by me.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94582 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMMCAsmInfo.cpp b/lib/Target/ARM/ARMMCAsmInfo.cpp
index cc59ec8..911a71f 100644
--- a/lib/Target/ARM/ARMMCAsmInfo.cpp
+++ b/lib/Target/ARM/ARMMCAsmInfo.cpp
@@ -52,6 +52,9 @@
 }
 
 ARMELFMCAsmInfo::ARMELFMCAsmInfo() {
+  // ".comm align is in bytes but .align is pow-2."
+  AlignmentIsInBytes = false;
+
   Data64bitsDirective = 0;
   CommentString = "@";