From 8c0a429c292ea6735ce1ac14c22125266e8fb6c5 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Sat, 4 Nov 2017 18:45:42 -0400
Subject: fix warnings

---
 source/slang/check.cpp       | 4 ++--
 source/slang/emit.cpp        | 2 +-
 source/slang/lower-to-ir.cpp | 2 +-
 source/slang/lower.cpp       | 2 +-
 source/slang/syntax.cpp      | 4 ++--
 5 files changed, 7 insertions(+), 7 deletions(-)

(limited to 'source')

diff --git a/source/slang/check.cpp b/source/slang/check.cpp
index d01c913b1..58c1762bb 100644
--- a/source/slang/check.cpp
+++ b/source/slang/check.cpp
@@ -1661,7 +1661,7 @@ namespace Slang
                         if (!declRefType)
                             return false;
 
-                        auto subStructTypeDecl = declRefType->declRef.getDecl()->As<AggTypeDecl>();
+                        auto structTypeDecl = declRefType->declRef.getDecl()->As<AggTypeDecl>();
                         //TODO: What do we do if type is a generic specialization?
                         // i.e. if the struct defines typedef Generic<float> T; 
                         // how to check if T satisfies the associatedtype constraints?
@@ -1669,7 +1669,7 @@ namespace Slang
                         bool conformance = true;
                         for (auto & inheritanceDecl : constraintList)
                         {
-                            conformance = conformance && checkConformance(subStructTypeDecl, inheritanceDecl.Ptr());
+                            conformance = conformance && checkConformance(structTypeDecl, inheritanceDecl.Ptr());
                         }
                         return conformance;
                     }
diff --git a/source/slang/emit.cpp b/source/slang/emit.cpp
index 849ca7e66..fc6fc0184 100644
--- a/source/slang/emit.cpp
+++ b/source/slang/emit.cpp
@@ -1194,7 +1194,7 @@ struct EmitVisitor
         EmitDeclarator(declarator);
     }
 
-    void visitThisType(ThisType* type, TypeEmitArg const&)
+    void visitThisType(ThisType* /*type*/, TypeEmitArg const&)
     {
         return;
     }
diff --git a/source/slang/lower-to-ir.cpp b/source/slang/lower-to-ir.cpp
index 4595a0319..e149036a7 100644
--- a/source/slang/lower-to-ir.cpp
+++ b/source/slang/lower-to-ir.cpp
@@ -882,7 +882,7 @@ struct ValLoweringVisitor : ValVisitor<ValLoweringVisitor, LoweredValInfo, Lower
         }
     }
 
-    LoweredTypeInfo visitThisType(ThisType* type)
+    LoweredTypeInfo visitThisType(ThisType* /*type*/)
     {
         return LoweredTypeInfo();
     }
diff --git a/source/slang/lower.cpp b/source/slang/lower.cpp
index a9daa6eba..e2c9496f4 100644
--- a/source/slang/lower.cpp
+++ b/source/slang/lower.cpp
@@ -2843,7 +2843,7 @@ struct LoweringVisitor
     {
         // not supported
         SLANG_UNREACHABLE("visitAssocTypeDecl in LowerVisitor");
-        return LoweredDecl();
+        UNREACHABLE_RETURN(LoweredDecl());
     }
 
     LoweredDecl visitTypeDefDecl(TypeDefDecl* decl)
diff --git a/source/slang/syntax.cpp b/source/slang/syntax.cpp
index 9b6f6d44b..255cf4ff1 100644
--- a/source/slang/syntax.cpp
+++ b/source/slang/syntax.cpp
@@ -388,7 +388,7 @@ void Type::accept(IValVisitor* visitor, void* extra)
         return 0;
     }
 
-    bool ThisType::EqualsImpl(Type * type)
+    bool ThisType::EqualsImpl(Type * /*type*/)
     {
         return true;
     }
@@ -399,7 +399,7 @@ void Type::accept(IValVisitor* visitor, void* extra)
         return this;
     }
 
-    RefPtr<Val> ThisType::SubstituteImpl(Substitutions* subst, int* ioDiff)
+    RefPtr<Val> ThisType::SubstituteImpl(Substitutions* subst, int* /*ioDiff*/)
     {
         while (subst)
         {
-- 
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