Author: Damien Raude-Morvan <drazzib@debian.org>
Description: Fix FTBFS on sparc on stubGenerator_sparc.cpp by using explicit class typedef.

--- a/hotspot/src/cpu/sparc/vm/stubGenerator_sparc.cpp
+++ b/hotspot/src/cpu/sparc/vm/stubGenerator_sparc.cpp
@@ -1055,7 +1055,7 @@
                                               Label& L_loop, bool use_prefetch, bool use_bis);
 
   void disjoint_copy_core(Register from, Register to, Register count, int log2_elem_size,
-                          int iter_size, CopyLoopFunc copy_loop_func) {
+                          int iter_size, StubGenerator::CopyLoopFunc copy_loop_func) {
     Label L_copy;
 
     assert(log2_elem_size <= 3, "the following code should be changed");
@@ -1206,7 +1206,8 @@
     __ inc(from, 8);
     __ sllx(O3, left_shift,  O3);
 
-    disjoint_copy_core(from, to, count, log2_elem_size, 16, copy_16_bytes_shift_loop);
+    StubGenerator::CopyLoopFunc aFunction = &StubGenerator::copy_16_bytes_shift_loop;
+    disjoint_copy_core(from, to, count, log2_elem_size, 16, aFunction);
 
     __ inccc(count, count_dec>>1 ); // + 8 bytes
     __ brx(Assembler::negative, true, Assembler::pn, L_copy_last_bytes);
@@ -2085,7 +2086,8 @@
       __ dec(count, 4);   // The cmp at the beginning guaranty count >= 4
       __ sllx(O3, 32,  O3);
 
-      disjoint_copy_core(from, to, count, 2, 16, copy_16_bytes_loop);
+      StubGenerator::CopyLoopFunc aFunction = &StubGenerator::copy_16_bytes_loop;
+      disjoint_copy_core(from, to, count, 2, 16, aFunction);
 
       __ br(Assembler::always, false, Assembler::pt, L_copy_4_bytes);
       __ delayed()->inc(count, 4); // restore 'count'
@@ -2366,7 +2368,8 @@
     // count >= 0 (original count - 8)
     __ mov(from, from64);
 
-    disjoint_copy_core(from64, to64, count, 3, 64, copy_64_bytes_loop);
+    StubGenerator::CopyLoopFunc aFunction = &StubGenerator::copy_64_bytes_loop;
+    disjoint_copy_core(from64, to64, count, 3, 64, aFunction);
 
       // Restore O4(offset0), O5(offset8)
       __ sub(from64, from, offset0);