1 files changed, 36 insertions, 0 deletions
diff --git a/test/incremental/assert_function.8.zig b/test/incremental/assert_function.8.zig
new file mode 100644
index 0000000000..c8c30cfac6
--- /dev/null
+++ b/test/incremental/assert_function.8.zig
@@ -0,0 +1,36 @@
+const builtin = @import("builtin");
+
+extern "c" fn write(usize, usize, usize) usize;
+
+pub fn main() void {
+    var i: u32 = 0;
+    inline while (i < 4) : (i += 1) print();
+    assert(i == 4);
+}
+
+fn print() void {
+    switch (builtin.os.tag) {
+        .linux => {
+            asm volatile ("syscall"
+                :
+                : [number] "{rax}" (1),
+                  [arg1] "{rdi}" (1),
+                  [arg2] "{rsi}" (@ptrToInt("hello\n")),
+                  [arg3] "{rdx}" (6),
+                : "rcx", "r11", "memory"
+            );
+        },
+        .macos => {
+            _ = write(1, @ptrToInt("hello\n"), 6);
+        },
+        else => unreachable,
+    }
+}
+
+pub fn assert(ok: bool) void {
+    if (!ok) unreachable; // assertion failure
+}
+
+// error
+//
+// :3:21: error: unable to resolve comptime value