Front-ends GLSL/HLSL: Fix initializer lists for structs of one member.

Test/420.tese

@@ -51,6 +51,18 @@ struct S4 {
     S3 s[2];
 };
 
+struct Single1 { int f; };
+Single1 single1 = { 10 };
+
+struct Single2 { uvec2 v; };
+Single2 single2 = { { 1, 2 } };
+
+struct Single3 { Single1 s1; };
+Single3 single3 = { { 3 } };
+
+struct Single4 { Single2 s1; };
+Single4 single4 = { { { 4u, 5u } } };
+
 const S4 constructed = S4(uvec2(1, 2), 
                           S3[2](S3(3.0, mat2x3(4.0)), 
                                 S3(5.0, mat2x3(6.0))));

Test/hlsl.init.frag

@@ -5,6 +5,18 @@ float a3, b3 = 0.3;
 float a4, b4 = 0.4, c4;
 float a5 = 0.5, b5, c5 = 1.5;
 
+struct Single1 { int f; };
+Single1 single1 = { 10 };
+
+struct Single2 { uint2 v; };
+Single2 single2 = { { 1, 2 } };
+
+struct Single3 { Single1 s1; };
+Single3 single3 = { { 3 } };
+
+struct Single4 { Single2 s1; };
+Single4 single4 = { { { 4u, 5u } } };
+
 float4 ShaderFunction(float4 input) : COLOR0
 {
     float4 a2 = float4(0.2, 0.3, 0.4, 0.5);

glslang/Include/revision.h

@@ -2,5 +2,5 @@
 // For the version, it uses the latest git tag followed by the number of commits.
 // For the date, it uses the current date (when then script is run).
 
-#define GLSLANG_REVISION "SPIRV99.1365"
+#define GLSLANG_REVISION "SPIRV99.1367"
 #define GLSLANG_DATE "29-Jul-2016"

glslang/MachineIndependent/ParseHelper.cpp

@@ -5145,8 +5145,14 @@ TIntermTyped* TParseContext::convertInitializerList(const TSourceLoc& loc, const
         return nullptr;
     }
 
-    // now that the subtree is processed, process this node
-    return addConstructor(loc, initList, type);
+    // Now that the subtree is processed, process this node as if the
+    // initializer list is a set of arguments to a constructor.
+    TIntermNode* emulatedConstructorArguments;
+    if (initList->getSequence().size() == 1)
+        emulatedConstructorArguments = initList->getSequence()[0];
+    else
+        emulatedConstructorArguments = initList;
+    return addConstructor(loc, emulatedConstructorArguments, type);
 }
 
 //

hlsl/hlslParseHelper.cpp

@@ -3725,8 +3725,14 @@ TIntermTyped* HlslParseContext::convertInitializerList(const TSourceLoc& loc, co
         return nullptr;
     }
 
-    // now that the subtree is processed, process this node
-    return addConstructor(loc, initList, type);
+    // Now that the subtree is processed, process this node as if the
+    // initializer list is a set of arguments to a constructor.
+    TIntermNode* emulatedConstructorArguments;
+    if (initList->getSequence().size() == 1)
+        emulatedConstructorArguments = initList->getSequence()[0];
+    else
+        emulatedConstructorArguments = initList;
+    return addConstructor(loc, emulatedConstructorArguments, type);
 }
 
 //