From 04f1badc29d41e642597039f9822a6e3aa1138cc Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@google.com>
Date: Wed, 30 Jan 2019 17:26:26 -0800
Subject: Fixes crashes at source error.

---
 source/slang/check.cpp | 4 ++++
 source/slang/slang.cpp | 3 +++
 2 files changed, 7 insertions(+)

(limited to 'source')

diff --git a/source/slang/check.cpp b/source/slang/check.cpp
index e100cbd1d..1b17ec49f 100644
--- a/source/slang/check.cpp
+++ b/source/slang/check.cpp
@@ -6606,6 +6606,10 @@ namespace Slang
             {
                 if (auto typeParamRef = memberRef.As<GenericTypeParamDecl>())
                 {
+                    if (aa >= context.argCount)
+                    {
+                        return false;
+                    }
                     auto arg = context.getArg(aa++);
 
                     TypeExp typeExp;
diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp
index 359848d65..e332ef588 100644
--- a/source/slang/slang.cpp
+++ b/source/slang/slang.cpp
@@ -912,6 +912,9 @@ RefPtr<ModuleDecl> CompileRequest::loadModule(
     if( errorCountAfter != errorCountBefore )
     {
         mSink.diagnose(srcLoc, Diagnostics::errorInImportedModule);
+    }
+    if (errorCountAfter)
+    {
         // Something went wrong during the parsing, so we should bail out.
         return nullptr;
     }
-- 
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