The Base64 functions that used to produce garbage no longer do

unit_tests/regression.suite/fixed-b64.lsl

@@ -0,0 +1,13 @@
+// Some Base64 functions used to return garbage, now they no longer do
+default
+{
+    timer()
+    {
+        llSetPrimitiveParams( // we need a function that causes side effects,
+                              // so that it isn't optimized out
+            [ llXorBase64StringsCorrect("++++", "?")
+            , llXorBase64("++++", "?")
+            , llBase64ToInteger("ABC")
+            ]);
+    }
+}

unit_tests/regression.suite/fixed-b64.out

@@ -0,0 +1,7 @@
+default
+{
+    timer()
+    {
+        llSetPrimitiveParams((list)"++++" + "++++" + 1048576);
+    }
+}

unit_tests/regression.suite/fixed-b64.run

@@ -0,0 +1 @@
+main.py -y -O -dcr,-optfloats -

unit_tests/regression.suite/non-computable.lsl

@@ -22,9 +22,6 @@ default
             , llGetDisplayName(TEXTURE_BLANK)
             , llGetEnv("estate_name")
             , llXorBase64Strings("++++", "?")
-            , llXorBase64StringsCorrect("++++", "?")
-            , llXorBase64("++++", "?")
-            , llBase64ToInteger("ABC")
             , llAbs(-2147483648)
             ]);
     }

unit_tests/regression.suite/non-computable.out

@@ -20,9 +20,6 @@ default
             , llGetDisplayName("5748decc-f629-461c-9a36-a35a221fe21f")
             , llGetEnv("estate_name")
             , llXorBase64Strings("++++", "?")
-            , llXorBase64StringsCorrect("++++", "?")
-            , llXorBase64("++++", "?")
-            , llBase64ToInteger("ABC")
             , llAbs(((integer)-2147483648))
             ]);
     }