Turn these optimizations back on

src/asm_writing/rewriter.cpp

@@ -163,7 +163,6 @@ bool Rewriter::ConstLoader::tryRegRegMove(uint64_t val, assembler::Register dst_
 
 bool Rewriter::ConstLoader::tryLea(uint64_t val, assembler::Register dst_reg) {
     assert(rewriter->phase_emitting);
-    return false;
 
     // for large constants it maybe beneficial to create the value with a LEA from a known const value
     if (isLargeConstant(val)) {

src/codegen/ast_interpreter.cpp

@@ -679,9 +679,8 @@ Value ASTInterpreter::visit_jump(AST_Jump* node) {
 
         // we may have started JITing because the OSR thresholds got triggered in this case we don't want to jit
         // additional blocks ouside of the loop if the function is cold.
-        // XXX reenable this
-        // if (getMD()->times_interpreted < REOPT_THRESHOLD_INTERPRETER)
-        // should_jit = false;
+        if (getMD()->times_interpreted < REOPT_THRESHOLD_INTERPRETER)
+            should_jit = false;
     }
 
     if (backedge)

src/codegen/baseline_jit.cpp

@@ -179,8 +179,7 @@ RewriterVar* JitFragmentWriter::emitAugbinop(AST_expr* node, RewriterVar* lhs, R
 }
 
 RewriterVar* JitFragmentWriter::emitBinop(AST_expr* node, RewriterVar* lhs, RewriterVar* rhs, int op_type) {
-    /// XXX increase this too much for testing
-    return emitPPCall((void*)binop, { lhs, rhs, imm(op_type) }, 2, 640, node).first->setType(RefType::OWNED);
+    return emitPPCall((void*)binop, { lhs, rhs, imm(op_type) }, 2, 240, node).first->setType(RefType::OWNED);
 }
 
 RewriterVar* JitFragmentWriter::emitCallattr(AST_expr* node, RewriterVar* obj, BoxedString* attr, CallattrFlags flags,