[testsuite/guality] Use relative line numbers in vla-1.c

2018-07-01  Tom de Vries  <tdevries@suse.de>

	* lib/gcc-dg.exp (get-absolute-line): Handle '.'.
	* gcc.dg/guality/vla-1.c: Use relative line numbers.

From-SVN: r262286

gcc/testsuite/ChangeLog

 2018-07-01  Tom de Vries  <tdevries@suse.de>
 
+	* lib/gcc-dg.exp (get-absolute-line): Handle '.'.
+	* gcc.dg/guality/vla-1.c: Use relative line numbers.
+
+2018-07-01  Tom de Vries  <tdevries@suse.de>
+
 	* gcc.dg-selftests/dg-final.exp (verify_call_1): Factor out of ...
 	(verify_call): ... here.  Move to toplevel.
 	(verify_call_np, dg_final_directive_check_utils): New proc.

gcc/testsuite/gcc.dg/guality/vla-1.c

@@ -13,15 +13,15 @@ int __attribute__((noinline))
 f1 (int i)
 {
   char a[i + 1];
-  a[0] = 5;		/* { dg-final { gdb-test 17 "i" "5" } } */
-  return a[0];		/* { dg-final { gdb-test 17 "sizeof (a)" "6" } } */
+  a[0] = 5;		/* { dg-final { gdb-test .+1 "i" "5" } } */
+  return a[0];		/* { dg-final { gdb-test . "sizeof (a)" "6" } } */
 }
 
 int __attribute__((noinline))
 f2 (int i)
 {
-  short a[i * 2 + 7];	/* { dg-final { gdb-test 24 "i" "5" } } */
-  bar (a);		/* { dg-final { gdb-test 24 "sizeof (a)" "17 * sizeof (short)" } } */
+  short a[i * 2 + 7];	/* { dg-final { gdb-test .+1 "i" "5" } } */
+  bar (a);		/* { dg-final { gdb-test . "sizeof (a)" "17 * sizeof (short)" } } */
   return a[i + 4];
 }
 

gcc/testsuite/lib/gcc-dg.exp

@@ -1066,6 +1066,10 @@ proc dg-line { linenr varname } {
 # Argument 1 is the relative line number or line number variable reference
 #
 proc get-absolute-line { useline line } {
+    if { "$line" == "." } {
+	return $useline
+    }
+
     if { [regsub "^\.\[+-\](\[0-9\]+)$" $line "\\1" num] && $useline != "" } {
 	# Handle relative line specification, .+1 or .-1 etc.
 	set num [expr $useline [string index $line 1] $num]