8278381: [GCC 11] Address::make_raw() does not initialize rspec

Backport-of: 4f594e6a28ad85d46d3252fb960f1c116f414899

Author: Harold Seigel

src/hotspot/cpu/arm/assembler_arm_32.cpp

@@ -46,7 +46,7 @@
 // Convert the raw encoding form into the form expected by the
 // constructor for Address.
 Address Address::make_raw(int base, int index, int scale, int disp, relocInfo::relocType disp_reloc) {
-  RelocationHolder rspec;
+  RelocationHolder rspec = RelocationHolder::none;
   if (disp_reloc != relocInfo::none) {
     rspec = Relocation::spec_simple(disp_reloc);
   }

src/hotspot/cpu/x86/assembler_x86.cpp

@@ -186,7 +186,7 @@ Address::Address(address loc, RelocationHolder spec) {
 // Address.  An index of 4 (rsp) corresponds to having no index, so convert
 // that to noreg for the Address constructor.
 Address Address::make_raw(int base, int index, int scale, int disp, relocInfo::relocType disp_reloc) {
-  RelocationHolder rspec;
+  RelocationHolder rspec = RelocationHolder::none;
   if (disp_reloc != relocInfo::none) {
     rspec = Relocation::spec_simple(disp_reloc);
   }