Support debugger inspection of locals in optimized frames

src/hydrogen.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 #include "hydrogen.h"
 
 #include "codegen.h"
 #include "full-codegen.h"
 #include "hashmap.h"
 #include "lithium-allocator.h"
 #include "parser.h"
+#include "scopeinfo.h"
 #include "scopes.h"
 #include "stub-cache.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "ia32/lithium-codegen-ia32.h"
 #elif V8_TARGET_ARCH_X64
 #include "x64/lithium-codegen-x64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "arm/lithium-codegen-arm.h"
 #elif V8_TARGET_ARCH_MIPS
@@ skipping 4377 matching lines @@
   // Generate the deoptimization data for the unoptimized version of
   // the target function if we don't already have it.
   if (!target_shared->has_deoptimization_support()) {
     // Note that we compile here using the same AST that we will use for
     // generating the optimized inline code.
     target_info.EnableDeoptimizationSupport();
     if (!FullCodeGenerator::MakeCode(&target_info)) {
       TraceInline(target, caller, "could not generate deoptimization info");
       return false;
     }
+    if (target_shared->scope_info() == SerializedScopeInfo::Empty()) {
+      // The scope info might not have been set if a lazily compiled
+      // function is inlined before being called for the first time.
+      Handle<SerializedScopeInfo> target_scope_info =
+          SerializedScopeInfo::Create(target_info.scope());
+      target_shared->set_scope_info(*target_scope_info);
+    }
     target_shared->EnableDeoptimizationSupport(*target_info.code());
     Compiler::RecordFunctionCompilation(Logger::FUNCTION_TAG,
                                         &target_info,
                                         target_shared);
   }
 
   // ----------------------------------------------------------------
   // After this point, we've made a decision to inline this function (so
   // TryInline should always return true).
 
@@ skipping 2134 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify();
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal