HLSL: support binary literals

Fixes #3089

Test/hlsl.numericsuffixes.frag

@@ -1,6 +1,9 @@
 
 struct PS_OUTPUT { float4 color : SV_Target0; };
 
+#define BIN_UINT 0b00001u
+#define BIN_INT  0b00011
+
 PS_OUTPUT main()
 {
     // Test numeric suffixes
@@ -8,7 +11,7 @@ PS_OUTPUT main()
     uint  r01 = 1u;      // lower uint
     uint  r02 = 2U;      // upper uint
     uint  r03 = 0xabcu;  // lower hex uint
-    uint  r04 = 0xABCU;  // upper hex uint (upper 0X is not accepted)
+    uint  r04 = 0XABCU;  // upper hex uint
     int   r05 = 5l;      // lower long int
     int   r06 = 6L;      // upper long int
     int   r07 = 071;     // octal
@@ -17,6 +20,12 @@ PS_OUTPUT main()
     float r10 = 1.H;     // half
     float r11 = 1.1h;    // half
     float r12 = 1.1H;    // half
+    uint  r13 = 0b00001u;// lower binary uint
+    uint  r14 = 0B00010U;// upper binary uint
+    int   r15 = 0b00011; // lower binary int
+    int   r16 = 0B00100; // upper binary int
+    uint  r17 = BIN_UINT;// lower binart define uint
+    int   r18 = BIN_INT; // lower binart define int
 
     PS_OUTPUT ps_output;
     ps_output.color = r07; // gets 71 octal = 57 decimal