fix: missing reset in clone

src/codegen.c

@@ -53,6 +53,7 @@ void _copy(FILE* out, band_t* band, region_t* source, region_t* target) {
 
 region_t* _clone(FILE* out, band_t* band, region_t* region) {
     region_t* clone = band_allocate_tmp(band, region->size);
+    move_to(clone); reset();
     copy(region, clone);
     return clone;
 }

test/cases/008-print-calc-add-mul-sub.out

@@ -2,6 +2,6 @@
 >[-]++++++++++
 >[-]++++++++++
 >[-]++++++++++++++++++
->[-]++>>[-]<<<<<<[->>>>>+>+<<<<<<]>>>>>>[-<<<<<<+>>>>>>]<[-<+>]>[-]<<<<<[->>>>+>+<<<<<]>>>>>[-<<<<<+>>>>>]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>]>[-]<<[->+>+<<]>>[-<<+>>]<<<<[-]>[->>[-<<<+>>>]>[-]<<[->+>+<<]>>[-<<+>>]<<<]>[-]<<<<[->>>+>+<<<<]>>>>[-<<<<+>>>>]<[-<+>][-]++++++++++++++++++++[-<->]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>]<[-<->]
+>[-]++>[-]>[-]<<<<<<[->>>>>+>+<<<<<<]>>>>>>[-<<<<<<+>>>>>>]<[-<+>][-]>[-]<<<<<[->>>>+>+<<<<<]>>>>>[-<<<<<+>>>>>][-]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>][-]>[-]<<[->+>+<<]>>[-<<+>>]<<<<[-]>[->>[-<<<+>>>]>[-]<<[->+>+<<]>>[-<<+>>]<<<][-]>[-]<<<<[->>>+>+<<<<]>>>>[-<<<<+>>>>]<[-<+>][-]++++++++++++++++++++[-<->][-]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>]<[-<->]
 [-]>[-]>[-]>[-]>[-]++++++++++>[-]>[-]<<<<<<<[->>>>>>+<<+<+<[-]<[-]>>>>-[-<<<<+>+>>>]<<<[>>>>[-]<<<<[-]]<[->>>>+<<<<]>>>>>[>+<<<<[-]>>++++++++++>[-]]<<<<<<]>>>>[-<<<<+>>>>]>[-]++++++++++>>[-<[-]+<<<<+>>[-]>>>>[-]<<<-[-<+>>>>+<<<]>>>[<<[-]>>[-]]<<<<[->+<]>>[<++++++++++<<<<+>[-]>>>>[-]]>]<<<<<<++++++++++++++++++++++++++++++++++++++++++++++++>++++++++++++++++++++++++++++++++++++++++++++++++>++++++++++++++++++++++++++++++++++++++++++++++++<<.>.>.
 <<[-]++++++++++.

test/cases/008a-bug-calc-sub-zero.in

@@ -0,0 +1,8 @@
+var a = 1;
+
+/* this print statement seems to somehow change the value of a */
+print "a\n";
+
+var b = (a - 1);
+print to_str!(b);
+print "\n";

test/cases/008a-bug-calc-sub-zero.out

@@ -0,0 +1,5 @@
+[-]+
+>[-]+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++>[-]++++++++++<.>.
+<[-]+>[-]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>]<<[->-<]
+>>[-]>[-]>[-]<<<<[-]>>>>>[-]++++++++++>[-]>[-]<<<<<<[->>>>>+<<<<<<+>>>>+<[-]<[-]>>>-[-<<<+>+>>]<<[>>>[-]<<<[-]]<[->>>+<<<]>>>>[>+<<<[-]>++++++++++>[-]]<<<<<]<[->+<]>>>>>[-]++++++++++>>[-<[-]+<<<+<<<[-]>>>>>>>>[-]<<<-[-<<<<<+>>>>>>>>+<<<]>>>[<<[-]>>[-]]<<<<<<<<[->>>>>+<<<<<]>>>>>>[<++++++++++<<<+>[-]>>>[-]]>]<<<<<++++++++++++++++++++++++++++++++++++++++++++++++>++++++++++++++++++++++++++++++++++++++++++++++++>++++++++++++++++++++++++++++++++++++++++++++++++<<.>.>.
+<<<<[-]++++++++++.

test/cases/009-print-calc-div.out

@@ -1,5 +1,5 @@
 [-]++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 >[-]++++++++++++++++
->>[-]<<<[->>+>+<<<]>>>[-<<<+>>>]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>][-]>[-]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>]<<<<[->>>->>[-]+<[-]>>[-]<<<[->+>>+<<<]>>>[-<<<+>>>]<<[>[-]<[-]]>[<<<+>>>>[-]<<<<<[->>+>>>+<<<<<]>>>>>[-<<<<<+>>>>>]<[-]]<<<<<]
+>[-]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>][-]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>][-]>[-]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>]<<<<[->>>->>[-]+<[-]>>[-]<<<[->+>>+<<<]>>>[-<<<+>>>]<<[>[-]<[-]]>[<<<+>>>>[-]<<<<<[->>+>>>+<<<<<]>>>>>[-<<<<<+>>>>>]<[-]]<<<<<]
 >>>[-]>[-]>[-]<<<<<[-]>[-]++++++++++>>>>>[-]>[-]<<<<<[->>>>+<<<<<<+>>>>>+<[-]<[-]<<-[->>+>+<<<]>>>[>>[-]<<[-]]<[-<<+>>]>>>[>+<<[-]<<<<++++++++++>>>>>[-]]<<<<]<<[->>+<<]>[-]++++++++++>>>>>>[-<[-]+<<+<<<<[-]>>>>>>>>[-]<<<<<<<-[-<+>>>>>>>>+<<<<<<<]>>>>>>>[<<[-]>>[-]]<<<<<<<<[->+<]>>>>>>[<<<<<++++++++++>>+>[-]>>[-]]>]<<<<++++++++++++++++++++++++++++++++++++++++++++++++>++++++++++++++++++++++++++++++++++++++++++++++++>++++++++++++++++++++++++++++++++++++++++++++++++<<.>.>.
 <<<<<[-]++++++++++.

test/cases/010-print-calc-mod.out

@@ -1,5 +1,5 @@
 [-]+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 >[-]+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
->>[-]<<<[->>+>+<<<]>>>[-<<<+>>>]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>][-]>[-]<<[->+>+<<]>>[-<<+>>]<<<[->>->>[-]+<[-]>>[-]<<<[->+>>+<<<]>>>[-<<<+>>>]<<[>[-]<[-]]>[>[-]<<<<[->+>>>+<<<<]>>>>[-<<<<+>>>>]<[-]]<<<<]>>[[-<->]<[-<+>]>]
+>[-]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>][-]>[-]<<<[->>+>+<<<]>>>[-<<<+>>>][-]>[-]<<[->+>+<<]>>[-<<+>>]<<<[->>->>[-]+<[-]>>[-]<<<[->+>>+<<<]>>>[-<<<+>>>]<<[>[-]<[-]]>[>[-]<<<<[->+>>>+<<<<]>>>>[-<<<<+>>>>]<[-]]<<<<]>>[[-<->]<[-<+>]>]
 <[-]>[-]>[-]>[-]>[-]++++++++++>[-]>[-]<<<<<<<[->>>>>>+<<+<+<[-]<[-]>>>>-[-<<<<+>+>>>]<<<[>>>>[-]<<<<[-]]<[->>>>+<<<<]>>>>>[>+<<<<[-]>>++++++++++>[-]]<<<<<<]>>>>[-<<<<+>>>>]>[-]++++++++++>>[-<[-]+<<<<+>>[-]>>>>[-]<<<-[-<+>>>>+<<<]>>>[<<[-]>>[-]]<<<<[->+<]>>[<++++++++++<<<<+>[-]>>>>[-]]>]<<<<<<++++++++++++++++++++++++++++++++++++++++++++++++>++++++++++++++++++++++++++++++++++++++++++++++++>++++++++++++++++++++++++++++++++++++++++++++++++<<.>.>.
 <<[-]++++++++++.

test/cases/012-if-else-with-var.out

@@ -0,0 +1,8 @@
+[-]+
+>[-]>[-]<<[->+>+<<]>>[-<<+>>]<[>[-]+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++>[-]++++++++++<.>.
+<[-]+>[-]>[-]<<<<[->>>+>+<<<<]>>>>[-<<<<+>>>>]<[-<+>]<[>[-]++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++>[-]++++++++++<.>.
+<<[-]]
+[-]+>[-]>[-]<<<<[->>>+>+<<<<]>>>>[-<<<<+>>>>]<<[->-<]
+[-]>>[-]<[-<+>>+<]>[-<+>]<<[>>[-]+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++>[-]++++++++++<.>.
+<<<[-]]
+<[-]]