Merge pull request #509 from Wuerfel21/W21-fix-spin2-abort

Fix Spin2 ABORT/CATCH

Author: totalspectrum

frontends/spin/spinlang.c

@@ -560,7 +560,7 @@ doSpinTransform(AST **astptr, int level, AST *parent)
         // and can't differentiate a normal return from an abort.
         if (gl_output != OUTPUT_BYTECODE /*|| gl_interp_kind == INTERP_KIND_NUCODE */ ) {
             AST *defaultval = IsSpin2Lang(curfunc->language) ?
-                AstInteger(0) : ast->left;
+                AstOperator(K_BOOL_AND,ast->left,AstInteger(0)) : ast->left;
             curfunc->force_locals_to_stack = 1; // if we do a catch we will want data on stack
             AstReportAs(ast, &saveinfo); // any newly created AST nodes should reflect debug info from this one
             *astptr = ast = NewAST(AST_TRYENV,