diff --git a/gen/aa.cpp b/gen/aa.cpp
index 9e3a0418fe..d770f28422 100644
--- a/gen/aa.cpp
+++ b/gen/aa.cpp
@@ -93,18 +93,15 @@ DValue* DtoAAIndex(Loc& loc, Type* type, DValue* aa, DValue* key, bool lvalue)
 
         gIR->scope() = IRScope(failbb, okbb);
 
-        LLValue *moduleInfoSymbol = gIR->func()->decl->getModule()->moduleInfoSymbol();
-        LLType *moduleInfoType = DtoType(Module::moduleinfo->type);
-
         LLValue* args[] = {
-            // module param
-            DtoBitCast(moduleInfoSymbol, getPtrToType(moduleInfoType)),
+            // file param
+            DtoModuleFileName(gIR->func()->decl->getModule(), loc),
             // line param
             DtoConstUint(loc.linnum)
         };
 
         // call
-        llvm::Function* errorfn = LLVM_D_GetRuntimeFunction(loc, gIR->module, "_d_array_bounds");
+        llvm::Function* errorfn = LLVM_D_GetRuntimeFunction(loc, gIR->module, "_d_arraybounds");
         gIR->CreateCallOrInvoke(errorfn, args);
 
         // the function does not return
diff --git a/gen/arrays.cpp b/gen/arrays.cpp
index 221155bd0a..51b0293f85 100644
--- a/gen/arrays.cpp
+++ b/gen/arrays.cpp
@@ -1167,18 +1167,16 @@ void DtoArrayBoundsCheck(Loc& loc, DValue* arr, DValue* index, DValue* lowerBoun
 
     std::vector<LLValue*> args;
 
+    // file param
     Module* funcmodule = gIR->func()->decl->getModule();
-    // module param
-    LLValue *moduleInfoSymbol = funcmodule->moduleInfoSymbol();
-    LLType *moduleInfoType = DtoType(Module::moduleinfo->type);
-    args.push_back(DtoBitCast(moduleInfoSymbol, getPtrToType(moduleInfoType)));
+    args.push_back(DtoModuleFileName(funcmodule, loc));
 
     // line param
     LLConstant* c = DtoConstUint(loc.linnum);
     args.push_back(c);
 
     // call
-    llvm::Function* errorfn = LLVM_D_GetRuntimeFunction(loc, gIR->module, "_d_array_bounds");
+    llvm::Function* errorfn = LLVM_D_GetRuntimeFunction(loc, gIR->module, "_d_arraybounds");
     gIR->CreateCallOrInvoke(errorfn, args);
 
     // the function does not return
diff --git a/gen/llvmhelpers.cpp b/gen/llvmhelpers.cpp
index a9ace1b2dc..57610cffc7 100644
--- a/gen/llvmhelpers.cpp
+++ b/gen/llvmhelpers.cpp
@@ -188,18 +188,7 @@ void DtoAssert(Module* M, Loc& loc, DValue* msg)
     }
 
     // file param
-
-    // we might be generating for an imported template function
-    const char* cur_file = M->srcfile->name->toChars();
-    if (loc.filename && strcmp(loc.filename, cur_file) != 0)
-    {
-        args.push_back(DtoConstString(loc.filename));
-    }
-    else
-    {
-        IrModule* irmod = getIrModule(M);
-        args.push_back(DtoLoad(irmod->fileName));
-    }
+    args.push_back(DtoModuleFileName(M, loc));
 
     // line param
     args.push_back(DtoConstUint(loc.linnum));
@@ -214,6 +203,25 @@ void DtoAssert(Module* M, Loc& loc, DValue* msg)
     gIR->ir->CreateUnreachable();
 }
 
+/****************************************************************************************/
+/*////////////////////////////////////////////////////////////////////////////////////////
+// Module file name
+////////////////////////////////////////////////////////////////////////////////////////*/
+
+LLValue *DtoModuleFileName(Module* M, const Loc& loc)
+{
+    // we might be generating for an imported template function
+    const char* cur_file = M->srcfile->name->toChars();
+    if (loc.filename && strcmp(loc.filename, cur_file) != 0)
+    {
+        return DtoConstString(loc.filename);
+    }
+    else
+    {
+        IrModule* irmod = getIrModule(M);
+        return DtoLoad(irmod->fileName);
+    }
+}
 
 /****************************************************************************************/
 /*////////////////////////////////////////////////////////////////////////////////////////
diff --git a/gen/llvmhelpers.h b/gen/llvmhelpers.h
index a8d3cfeea9..70f1ec0646 100644
--- a/gen/llvmhelpers.h
+++ b/gen/llvmhelpers.h
@@ -59,6 +59,9 @@ LLValue* DtoGcMalloc(Loc& loc, LLType* lltype, const char* name = "");
 // assertion generator
 void DtoAssert(Module* M, Loc& loc, DValue* msg);
 
+// returns module file name
+LLValue* DtoModuleFileName(Module* M, const Loc& loc);
+
 // return the LabelStatement from the current function with the given identifier or NULL if not found
 LabelStatement* DtoLabelStatement(Identifier* ident);
 
diff --git a/gen/runtime.cpp b/gen/runtime.cpp
index 97a2364d6d..825b521dfe 100644
--- a/gen/runtime.cpp
+++ b/gen/runtime.cpp
@@ -357,25 +357,25 @@ static void LLVM_D_BuildRuntimeModule()
     /////////////////////////////////////////////////////////////////////////////////////
 
     // void _d_assert( char[] file, uint line )
+    // void _d_arraybounds(ModuleInfo* m, uint line)
     {
         llvm::StringRef fname("_d_assert");
+        llvm::StringRef fname2("_d_arraybounds");
         LLType *types[] = { stringTy, intTy };
         LLFunctionType* fty = llvm::FunctionType::get(voidTy, types, false);
         llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
+        llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M);
     }
 
-    // void _d_array_bounds(ModuleInfo* m, uint line)
     // void _d_switch_error(ModuleInfo* m, uint line)
     {
-        llvm::StringRef fname("_d_array_bounds");
-        llvm::StringRef fname2("_d_switch_error");
+        llvm::StringRef fname("_d_switch_error");
         LLType *types[] = {
             moduleInfoPtrTy,
             intTy
         };
         LLFunctionType* fty = llvm::FunctionType::get(voidTy, types, false);
         llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
-        llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M);
     }
 
     // void _d_assert_msg(string msg, string file, uint line)