throwCompileError in expBuilder

src/test/cases/MacroTestCase.hx

@@ -46,6 +46,10 @@ class MacroTestCase extends Test {
         _testSetMacroVar();
     }
 
+    function testRedefineMacroVar() {
+        _testRedefineMacroVar();
+    }
+
     function testTryCatchWithoutDynamic () {
         _testTryCatchWithoutDynamic();
     }

src/test/cases/MacroTestCase.kiss

@@ -60,6 +60,7 @@
     (_testPrintAtMacroTimeMacro)
     (Assert.pass))
 
+// Calling (set) on a macroVar is a faux-pas, but calling defMacroVar again is not
 (defMacroVar count 0)
 (defMacro _testSetMacroVarMacro []
     (assertThrows (set count (+ count 1)))
@@ -69,6 +70,15 @@
     (_testSetMacroVarMacro)
     (Assert.pass))
 
+(defMacro _testRedefineMacroVarMacro []
+    (defMacroVar count (+ count 1))
+    (symbol (Std.string count)))
+
+(function _testRedefineMacroVar []
+    (Assert.equals 1 (_testRedefineMacroVarMacro))
+    (Assert.equals 2 (_testRedefineMacroVarMacro)))
+
+
 // ifLet and its derivatives should be disabled in defMacro bodies:
 (defMacro _testIfLetDisabledMacro []
     (assertThrows (ifLet [a "b"] a))