Correctly compute line numbers in functions from the function constructor.

src/runtime/runtime-compiler.cc

Index: src/runtime/runtime-compiler.cc
diff --git a/src/runtime/runtime-compiler.cc b/src/runtime/runtime-compiler.cc
index 2e806facb2bd6536bb51f0000dec34ecd5c36385..88c771890e8bd55f1ef5cf73c1ca95aeef97c662 100644
--- a/src/runtime/runtime-compiler.cc
+++ b/src/runtime/runtime-compiler.cc
@@ -347,9 +347,10 @@ bool CodeGenerationFromStringsAllowed(Isolate* isolate,
 
 RUNTIME_FUNCTION(Runtime_CompileString) {
   HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
+  DCHECK(args.length() == 3);
   CONVERT_ARG_HANDLE_CHECKED(String, source, 0);
   CONVERT_BOOLEAN_ARG_CHECKED(function_literal_only, 1);
+  CONVERT_SMI_ARG_CHECKED(source_offset, 2);
 
   // Extract native context.
   Handle<Context> context(isolate->native_context());
@@ -375,6 +376,14 @@ RUNTIME_FUNCTION(Runtime_CompileString) {
       isolate, fun,
       Compiler::GetFunctionFromEval(source, outer_info, context, SLOPPY,
                                     restriction, RelocInfo::kNoPosition));
+  if (function_literal_only) {
+    // The actual body is wrapped, which shifts line numbers.
+    Handle<Script> script(Script::cast(fun->shared()->script()), isolate);
+    if (script->line_offset() == 0) {
+      int line_num = Script::GetLineNumber(script, source_offset);
+      script->set_line_offset(Smi::FromInt(-line_num));
+    }
+  }
   return *fun;
 }