fork-instrumentation.c: New testcase.

	* gcc.dg/fork-instrumentation.c: New testcase.
	* builtins.c (expand_builtin): Do not exit early for gcov
	instrumented functions.

From-SVN: r202142

gcc/ChangeLog

+2013-08-31  Jan Hubicka  <jh@suse.cz>
+
+	* bulitins.c (expand_builtin): Do not early exit for gcov
+	instrumented functions.
+
 2013-08-31  Marek Polacek  <polacek@redhat.com>
 
 	* ubsan.c: Include tm_p.h.

gcc/builtins.c

@@ -5851,6 +5851,13 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode,
      set of builtins.  */
   if (!optimize
       && !called_as_built_in (fndecl)
+      && fcode != BUILT_IN_FORK
+      && fcode != BUILT_IN_EXECL
+      && fcode != BUILT_IN_EXECV
+      && fcode != BUILT_IN_EXECLP
+      && fcode != BUILT_IN_EXECLE
+      && fcode != BUILT_IN_EXECVP
+      && fcode != BUILT_IN_EXECVE
       && fcode != BUILT_IN_ALLOCA
       && fcode != BUILT_IN_ALLOCA_WITH_ALIGN
       && fcode != BUILT_IN_FREE)

gcc/testsuite/ChangeLog

+2013-08-31  Jan Hubicka  <jh@suse.cz>
+
+	* gcc.dg/fork-instrumentation.c: New testcase.
+
 2013-08-30  Uros Bizjak  <ubizjak@gmail.com>
 
 	* g++.dg/abi/mangle33.C (dg-final): Use match count in scan RE.

gcc/testsuite/gcc.dg/fork-instrumentation.c

+/* { dg-do compile } */
+/* { dg-options "-O0 -fprofile-generate" } */
+int fork(void);
+t()
+{
+  fork ();
+}
+/* { dg-final { scan-assembler "gcov_fork" } } */