Require c99_runtime for pr78622.c

2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

gcc/testsuite/
    * gcc.c-torture/execute/pr78622.c: Require c99_runtime effective
    target.

From-SVN: r247582

gcc/testsuite/ChangeLog

+2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	* gcc.c-torture/execute/pr78622.c: Require c99_runtime effective
+	target.
+
 2017-05-04  Tom de Vries  <tom@codesourcery.com>
 
 	PR testsuite/80557

gcc/testsuite/gcc.c-torture/execute/pr78622.c

 /* PR middle-end/78622 - [7 Regression] -Wformat-overflow/-fprintf-return-value
    incorrect with overflow/wrapping
    { dg-skip-if "Requires %hhd format" { hppa*-*-hpux* } { "*" } { "" } }
+   { dg-require-effective-target c99_runtime }
    { dg-additional-options "-Wformat-overflow=2" } */
 
 __attribute__((noinline, noclone)) int