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stmt_if.c revision 1.2 
      1 /*	$NetBSD: stmt_if.c,v 1.2 2022/06/17 18:54:53 rillig Exp $	*/
      2 # 3 "stmt_if.c"
      3 
      4 /*
      5  * Test parsing of 'if' statements.
      6  */
      7 
      8 void println(const char *);
      9 
     10 void
     11 dangling_else(int x)
     12 {
     13 	if (x > 0)
     14 		if (x > 10)
     15 			println("> 10");
     16 		/* This 'else' is bound to the closest unfinished 'if'. */
     17 		else
     18 			println("> 0");
     19 	/*
     20 	 * If the above 'else' were bound to the other 'if', the next 'else'
     21 	 * would have no corresponding 'if', resulting in a syntax error.
     22 	 */
     23 	else
     24 		println("not positive");
     25 	/* expect+1: error: syntax error 'else' [249] */
     26 	else
     27 		println("syntax error");
     28 }
     29