From 9f8cb850e49808b9e45f07e2527fa84bf0d01d48 Mon Sep 17 00:00:00 2001
From: "t.jung" <t.jung@gaijin.ru>
Date: Tue, 24 Jul 2018 13:22:21 +0200
Subject: [PATCH] Fixes a crash when in/out varying variable had no semantic
 name and an error was reported in ioremapper phase when the variable was
 rejected

---
 glslang/MachineIndependent/iomapper.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/glslang/MachineIndependent/iomapper.cpp b/glslang/MachineIndependent/iomapper.cpp
index 9248214..66f6f30 100755
--- a/glslang/MachineIndependent/iomapper.cpp
+++ b/glslang/MachineIndependent/iomapper.cpp
@@ -331,8 +331,14 @@ struct TResolverInOutAdaptor
                                                       ent.symbol->getType(),
                                                       ent.live);
         } else {
-            TString errorMsg = "Invalid shader In/Out variable semantic: ";
-            errorMsg += ent.symbol->getType().getQualifier().semanticName;
+            TString errorMsg;
+            if (ent.symbol->getType().getQualifier().semanticName != nullptr) {
+                errorMsg = "Invalid shader In/Out variable semantic: ";
+                errorMsg += ent.symbol->getType().getQualifier().semanticName;
+            } else {
+                errorMsg = "Invalid shader In/Out variable: ";
+                errorMsg += ent.symbol->getName();
+            }
             infoSink.info.message(EPrefixInternalError, errorMsg.c_str());
             error = true;
         }
-- 
2.7.4