A quick nm audit turned up several fixed tables and objects that were

marked read-write. Use const so that they can be allocated in a
read-only segment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48800 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMTargetAsmInfo.cpp

@@ -17,7 +17,8 @@
 #include <cctype>
 using namespace llvm;
 
-static const char* arm_asm_table[] = {"{r0}", "r0",
+static const char *const arm_asm_table[] = {
+                                      "{r0}", "r0",
                                       "{r1}", "r1",
                                       "{r2}", "r2",
                                       "{r3}", "r3",