Fix type result on binary compuations.

test/semant/wrong_multiply.golden

@@ -1,4 +1,28 @@
-test/wrong_multiply.ink:4,34: error: Type mismatch. Expected float got float2
+test/wrong_multiply.ink:4,18: error: Procedure call did not match any of the possible overloads for 'float4'
+    found:
+        result : float4 = float4(1.0, foo * res, 0.0, 1.0);
+                          ^^^^^^
+
+    While matching argument 2 in function call.
+        result : float4 = float4(1.0, foo * res, 0.0, 1.0);
+                                          ^
+    Possible overloads:
+        foreign float4 :: (float, float, float, float) -> float4; (test/wrong_multiply.ink:86)
+        foreign float4 :: (float4) -> float4; (test/wrong_multiply.ink:87)
+        foreign float4 :: (float2, float2) -> float4; (test/wrong_multiply.ink:88)
+        foreign float4 :: (float2, float, float) -> float4; (test/wrong_multiply.ink:89)
+        foreign float4 :: (float, float2, float) -> float4; (test/wrong_multiply.ink:90)
+        foreign float4 :: (float, float2, float) -> float4; (test/wrong_multiply.ink:90)
+        foreign float4 :: (float, float, float2) -> float4; (test/wrong_multiply.ink:91)
+        foreign float4 :: (float, float, float2) -> float4; (test/wrong_multiply.ink:91)
+        foreign float4 :: (float3, float) -> float4; (test/wrong_multiply.ink:92)
+        foreign float4 :: (float3, float) -> float4; (test/wrong_multiply.ink:92)
+        foreign float4 :: (float, float3) -> float4; (test/wrong_multiply.ink:93)
+        foreign float4 :: (float, float3) -> float4; (test/wrong_multiply.ink:93)
+        foreign float4 :: (float) -> float4; (test/wrong_multiply.ink:94)
+        foreign float4 :: (float) -> float4; (test/wrong_multiply.ink:94)
+
+test/wrong_multiply.ink:4,34: error: Type mismatch. Expected float got float2
     found:
         result : float4 = float4(1.0, foo * res, 0.0, 1.0);
                                           ^
@@ -6,6 +30,6 @@
         float
 
     got:
-        res : float2 = float2(2.0, 2.0)
+        result : float4 = float4(1.0, foo * res, 0.0, 1.0);