Use big-boy Types to annotate interface descriptor parameters

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index ef21f1f46f9e65ff227bdefb703fe4132101c59e..8aab3d2643b19b0b3575d9b29ee67eb48c4781aa 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -153,7 +153,8 @@ CompilationInfo::CompilationInfo(ParseInfo* parse_info, CodeStub* code_stub,
       opt_count_(has_shared_info() ? shared_info()->opt_count() : 0),
       parameter_count_(0),
       optimization_id_(-1),
-      osr_expr_stack_height_(0) {}
+      osr_expr_stack_height_(0),
+      function_type_(nullptr) {}
 
 
 CompilationInfo::~CompilationInfo() {