Fix unsigned/float problem (again?).

SPIRV/GlslangToSpv.cpp

@@ -6570,8 +6570,9 @@ spv::Id TGlslangToSpvTraverser::createSubgroupOperation(glslang::TOperator op, s
     default: assert(0 && "Unhandled subgroup operation!");
     }
 
-    const bool isUnsigned = typeProxy == glslang::EbtUint || typeProxy == glslang::EbtUint64;
-    const bool isFloat = typeProxy == glslang::EbtFloat || typeProxy == glslang::EbtDouble;
+
+    const bool isUnsigned = isTypeUnsignedInt(typeProxy);
+    const bool isFloat = isTypeFloat(typeProxy);
     const bool isBool = typeProxy == glslang::EbtBool;
 
     spv::Op opCode = spv::OpNop;

Test/baseResults/spv.specConstant.vert.out

@@ -11,7 +11,7 @@ spv.specConstant.vert
                               Source GLSL 400
                               Name 4  "main"
                               Name 9  "arraySize"
-                              Name 14  "foo(vf4[s2765];"
+                              Name 14  "foo(vf4[s4389];"
                               Name 13  "p"
                               Name 17  "builtin_spec_constant("
                               Name 20  "color"
@@ -102,10 +102,10 @@ spv.specConstant.vert
                               Store 20(color) 46
               48:          10 Load 22(ucol)
                               Store 47(param) 48
-              49:           2 FunctionCall 14(foo(vf4[s2765];) 47(param)
+              49:           2 FunctionCall 14(foo(vf4[s4389];) 47(param)
                               Return
                               FunctionEnd
-14(foo(vf4[s2765];):           2 Function None 12
+14(foo(vf4[s4389];):           2 Function None 12
            13(p):     11(ptr) FunctionParameter
               15:             Label
               54:     24(ptr) AccessChain 53(dupUcol) 23