Add unit test for the _Pragma operator

unit_tests/coverage.suite/pragma-operator.lsl

@@ -0,0 +1,14 @@
+_Pragma("OPT inline")
+
+string f(integer x) inline
+{
+    return "ok";
+}
+
+default
+{
+    state_entry()
+    {
+        llOwnerSay(f(5));
+    }
+}

unit_tests/coverage.suite/pragma-operator.out

@@ -0,0 +1,18 @@
+default
+{
+    state_entry()
+    {
+        string ___ret__00001;
+        {
+            integer x = 5;
+            {
+                {
+                    ___ret__00001 = "ok";
+                    jump ___rtl__00001;
+                }
+            }
+        }
+        @___rtl__00001;
+        llOwnerSay(___ret__00001);
+    }
+}

unit_tests/coverage.suite/pragma-operator.run

@@ -0,0 +1 @@
+main.py - -O clear,processpre