Make disassembler string tables read-only.

src/ia32/disasm-ia32.cc

Index: src/ia32/disasm-ia32.cc
diff --git a/src/ia32/disasm-ia32.cc b/src/ia32/disasm-ia32.cc
index 04279d08bfb751afffe8d5025b9d1300ae392ce1..252376162f65c27389af66e57b1dc7d573b5a113 100644
--- a/src/ia32/disasm-ia32.cc
+++ b/src/ia32/disasm-ia32.cc
@@ -1690,17 +1690,17 @@ int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer,
 //------------------------------------------------------------------------------
 
 
-static const char* cpu_regs[8] = {
+static const char* const cpu_regs[8] = {
   "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"
 };
 
 
-static const char* byte_cpu_regs[8] = {
+static const char* const byte_cpu_regs[8] = {
   "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh"
 };
 
 
-static const char* xmm_regs[8] = {
+static const char* const xmm_regs[8] = {
   "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"
 };