From bc3731dc5d853bfac12628ef3132a19427c58b7b Mon Sep 17 00:00:00 2001
From: jespergravgaard <jesper@balmangravgaard.dk>
Date: Wed, 4 Nov 2020 09:09:38 +0100
Subject: [PATCH] Added test for #564

---
 .../dk/camelot64/kickc/test/TestPrograms.java |  6 ++++++
 src/test/kc/unknown-var-problem.c             | 21 +++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 src/test/kc/unknown-var-problem.c

diff --git a/src/test/java/dk/camelot64/kickc/test/TestPrograms.java b/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
index e05ddfbf1..d37ea86fc 100644
--- a/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
+++ b/src/test/java/dk/camelot64/kickc/test/TestPrograms.java
@@ -44,6 +44,12 @@ public class TestPrograms {
    public TestPrograms() {
    }
 
+   // https://gitlab.com/camelot/kickc/-/issues/564
+   //@Test
+   //public void testUnknownVarProblem() throws IOException, URISyntaxException {
+   //   compileAndCompare("unknown-var-problem.c", log().verboseParse());
+   //}
+
    @Test
    public void testFunctionPointerProblem1() throws IOException, URISyntaxException {
       compileAndCompare("function-pointer-problem-1.c");
diff --git a/src/test/kc/unknown-var-problem.c b/src/test/kc/unknown-var-problem.c
new file mode 100644
index 000000000..f83afbbe7
--- /dev/null
+++ b/src/test/kc/unknown-var-problem.c
@@ -0,0 +1,21 @@
+// Demonstrates problem with assigning a pointer to pointer inside inline function
+// https://gitlab.com/camelot/kickc/-/issues/564
+
+typedef char uint8_t;
+
+uint8_t sieveFlags[128];
+
+void main() {
+    clearSieveData();
+}
+
+inline void clearSieveData() {
+	uint8_t *p = sieveFlags;
+	uint8_t **pp = &p + 1;
+	for (register uint8_t i: 0..0x1f) {
+		for (register uint8_t j: 0..0xff) {
+			*(p + j) = 1;
+		}
+		(*pp)++;
+	}
+}