Order jump tables for deterministic or randomized emission.

src/IceTargetLoweringX8664.cpp

Index: src/IceTargetLoweringX8664.cpp
diff --git a/src/IceTargetLoweringX8664.cpp b/src/IceTargetLoweringX8664.cpp
index ed586a375da8c9b76c9a72d93cf23d4e85205703..1fcf0b9254c3c7ae67db51349fc44289bb7313ad 100644
--- a/src/IceTargetLoweringX8664.cpp
+++ b/src/IceTargetLoweringX8664.cpp
@@ -240,9 +240,9 @@ void TargetDataX8664::lowerJumpTables() {
   switch (Ctx->getFlags().getOutFileType()) {
   case FT_Elf: {
     ELFObjectWriter *Writer = Ctx->getObjectWriter();
-    for (const JumpTableData &JumpTable : *Ctx->getJumpTables())
+    for (const JumpTableData &JT : Ctx->getJumpTables())
       // TODO(jpp): not 386.
-      Writer->writeJumpTable(JumpTable, llvm::ELF::R_386_32);
+      Writer->writeJumpTable(JT, llvm::ELF::R_386_32);
   } break;
   case FT_Asm:
     // Already emitted from Cfg
@@ -251,7 +251,7 @@ void TargetDataX8664::lowerJumpTables() {
     if (!BuildDefs::dump())
       return;
     Ostream &Str = Ctx->getStrEmit();
-    for (const JumpTableData &JT : *Ctx->getJumpTables()) {
+    for (const JumpTableData &JT : Ctx->getJumpTables()) {
       Str << "\t.section\t.rodata." << JT.getFunctionName()
           << "$jumptable,\"a\",@progbits\n";
       Str << "\t.align\t" << typeWidthInBytes(getPointerType()) << "\n";