8326974: ODR violation in macroAssembler_aarch64.cpp

Backport-of: b972997af76a506ffd79ee8c6043e7a8db836b33

Author: lewurm

src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp

@@ -390,13 +390,13 @@ static bool offset_for(uint32_t insn1, uint32_t insn2, ptrdiff_t &byte_offset) {
   return false;
 }
 
-class Decoder : public RelocActions {
-  virtual reloc_insn adrpMem() { return &Decoder::adrpMem_impl; }
-  virtual reloc_insn adrpAdd() { return &Decoder::adrpAdd_impl; }
-  virtual reloc_insn adrpMovk() { return &Decoder::adrpMovk_impl; }
+class AArch64Decoder : public RelocActions {
+  virtual reloc_insn adrpMem() { return &AArch64Decoder::adrpMem_impl; }
+  virtual reloc_insn adrpAdd() { return &AArch64Decoder::adrpAdd_impl; }
+  virtual reloc_insn adrpMovk() { return &AArch64Decoder::adrpMovk_impl; }
 
 public:
-  Decoder(address insn_addr, uint32_t insn) : RelocActions(insn_addr, insn) {}
+  AArch64Decoder(address insn_addr, uint32_t insn) : RelocActions(insn_addr, insn) {}
 
   virtual int loadStore(address insn_addr, address &target) {
     intptr_t offset = Instruction_aarch64::sextract(_insn, 23, 5);
@@ -492,7 +492,7 @@ class Decoder : public RelocActions {
 };
 
 address MacroAssembler::target_addr_for_insn(address insn_addr, uint32_t insn) {
-  Decoder decoder(insn_addr, insn);
+  AArch64Decoder decoder(insn_addr, insn);
   address target;
   decoder.run(insn_addr, target);
   return target;