[turbofan] Fix loading of JSFunction from activation in case of adapter frame.

src/compiler/x64/code-generator-x64.cc

Index: src/compiler/x64/code-generator-x64.cc
diff --git a/src/compiler/x64/code-generator-x64.cc b/src/compiler/x64/code-generator-x64.cc
index b3285dea9462547686514dcee76fb0eb57ff636f..bf71037550e54e41f64c76662a6708bb1dab23ab 100644
--- a/src/compiler/x64/code-generator-x64.cc
+++ b/src/compiler/x64/code-generator-x64.cc
@@ -1265,6 +1265,8 @@ void CodeGenerator::AssemblePrologue() {
     // remaining stack slots.
     if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --");
     osr_pc_offset_ = __ pc_offset();
+    // TODO(titzer): cannot address target function == local #-1
+    __ movq(rdi, Operand(rbp, -2 * kPointerSize));
     DCHECK(stack_slots >= frame()->GetOsrStackSlotCount());
     stack_slots -= frame()->GetOsrStackSlotCount();
   }