Consider functions with xloc.file == NULL (PR

	PR gcov-profile/69028
	PR gcov-profile/62047
	* g++.dg/cilk-plus/pr69028.C: New test.
	PR gcov-profile/69028
	PR gcov-profile/62047
	* cilk.c (create_cilk_helper_decl): Set location of a new decl
	to the current_function_decl.
	PR gcov-profile/69028
	PR gcov-profile/62047
	* coverage.c (coverage_compute_lineno_checksum): Do not
	calculate checksum for fns w/o xloc.file.
	(coverage_compute_profile_id): Likewise.

From-SVN: r238637

gcc/ChangeLog

+2016-07-22  Martin Liska  <mliska@suse.cz>
+
+	PR gcov-profile/69028
+	PR gcov-profile/62047
+	* coverage.c (coverage_compute_lineno_checksum): Do not
+	calculate checksum for fns w/o xloc.file.
+	(coverage_compute_profile_id): Likewise.
+
 2016-07-22  Georg-Johann Lay  <avr@gjlay.de>
 
 	* config/avr/avr.c (TARGET_SECONDARY_RELOAD): Remove hook define...

gcc/c-family/ChangeLog

+2016-07-22  Martin Liska  <mliska@suse.cz>
+
+	PR gcov-profile/69028
+	PR gcov-profile/62047
+	* cilk.c (create_cilk_helper_decl): Set location of a new decl
+	to the current_function_decl.
+
 2016-07-21  Jason Merrill  <jason@redhat.com>
 
 	PR c++/65168

gcc/c-family/cilk.c

@@ -312,8 +312,9 @@ create_cilk_helper_decl (struct wrapper_data *wd)
     gcc_unreachable (); 
   
   clean_symbol_name (name);
-  tree fndecl = build_decl (UNKNOWN_LOCATION, FUNCTION_DECL, 
-			    get_identifier (name), wd->fntype);
+
+  tree fndecl = build_decl (DECL_SOURCE_LOCATION (current_function_decl),
+			    FUNCTION_DECL, get_identifier (name), wd->fntype);
 
   TREE_PUBLIC (fndecl) = 0;
   TREE_STATIC (fndecl) = 1;

gcc/coverage.c

@@ -553,7 +553,8 @@ coverage_compute_lineno_checksum (void)
     = expand_location (DECL_SOURCE_LOCATION (current_function_decl));
   unsigned chksum = xloc.line;
 
-  chksum = coverage_checksum_string (chksum, xloc.file);
+  if (xloc.file)
+    chksum = coverage_checksum_string (chksum, xloc.file);
   chksum = coverage_checksum_string
     (chksum, IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl)));
 
@@ -580,7 +581,8 @@ coverage_compute_profile_id (struct cgraph_node *n)
       bool use_name_only = (PARAM_VALUE (PARAM_PROFILE_FUNC_INTERNAL_ID) == 0);
 
       chksum = (use_name_only ? 0 : xloc.line);
-      chksum = coverage_checksum_string (chksum, xloc.file);
+      if (xloc.file)
+	chksum = coverage_checksum_string (chksum, xloc.file);
       chksum = coverage_checksum_string
 	(chksum, IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (n->decl)));
       if (!use_name_only && first_global_object_name)

gcc/testsuite/ChangeLog

+2016-07-22  Martin Liska  <mliska@suse.cz>
+
+	PR gcov-profile/69028
+	PR gcov-profile/62047
+	* g++.dg/cilk-plus/pr69028.C: New test.
+
 2016-07-22  Andre Vehreschild  <vehre@gcc.gnu.org>
 
 	* gfortran.dg/coarray_stat_2.f90: New test.

gcc/testsuite/g++.dg/cilk-plus/pr69028.C

+// PR c++/69028
+// { dg-require-effective-target c++11 }
+// { dg-options "-fcilkplus -fprofile-arcs" }
+
+void parallel()
+{
+}
+
+int main()
+{
+   _Cilk_spawn parallel();
+   _Cilk_sync;
+}