jit.dg: fix issue with compilation of test-threads.c

DejaGnu's <dejagnu.h> provides decls of various inline functions,
of which the jit testsuite uses "pass", "fail" and "note".

The jit testcase test-threads.c jumps through some hoops to make
these functions threadsafe, using macros to rename the implementation
in dejagnu.h, giving them a "dejagnu_" prefix, then reimplementing
the names with wrappers that use a mutex.

The DejaGnu functions gained a "static" modifier in
ad36659ffa984a0541cfc2bd27f393e0d7d173a7, which appears to be in
DejaGnu 1.5.2 onwards.

Unfortunately, jit.dg/test-threads.c has forward decls of
"dejagnu_pass" etc, and these don't have "static", leading to conflicts
with later versions of DejaGnu for which "pass" etc have "static".

This patch fixes things by removing the forward decls of
"dejagnu_pass", moving the usage of them to a point at which dejagnu.h
has been included, which ought to work with both earlier and later
versions of DejaGnu.

Fixes compilation of test-threads.c in jit testsuite.

gcc/testsuite/ChangeLog:
	* jit.dg/test-threads.c (dejagnu_pass): Remove decl.
	(dejagnu_fail): Likewise.
	(dejagnu_note): Likewise.
	(pass): Provide forward decl, moving true decl to after #include
	of harness.h.
	(fail): Likewise.
	(note): Likewise.

From-SVN: r244597

1 files changed, 29 insertions, 22 deletions

diff --git a/gcc/testsuite/jit.dg/test-threads.c b/gcc/testsuite/jit.dg/test-threads.c
index d4e53b2..03fea57 100644
--- a/gcc/testsuite/jit.dg/test-threads.c
+++ b/gcc/testsuite/jit.dg/test-threads.c
@@ -20,9 +20,35 @@ static pthread_mutex_t dg_mutex = PTHREAD_MUTEX_INITIALIZER;
    harness.h injects macros before including <dejagnu.h> so that the
    pass/fail functions become "dejagnu_pass"/"dejagnu_fail" etc.  */
 
-void dejagnu_pass (const char* fmt, ...);
-void dejagnu_fail (const char* fmt, ...);
-void dejagnu_note (const char* fmt, ...);
+/* Forward decls of our implementations of pass/fail/note.  */
+
+inline void
+pass (const char* fmt, ...);
+
+inline void
+fail (const char* fmt, ...);
+
+inline void
+note (const char* fmt, ...);
+
+#define MAKE_DEJAGNU_H_THREADSAFE
+
+/* We also need to provide our own version of TEST_NAME.  */
+#define TEST_NAME
+
+/* We can now include all of the relevant selftests.  */
+
+#include "all-non-failing-tests.h"
+
+#define TEST_PROVIDES_MAIN
+#define TEST_ESCHEWS_TEST_JIT
+
+/* Now construct a test case from all the other test cases.
+
+   We undefine COMBINED_TEST so that we can now include harness.h
+   "for real".  */
+#undef COMBINED_TEST
+#include "harness.h"
 
 /* We now provide our own implementations of "pass"/"fail"/"note", which
    call the underlying dejagnu implementations, but with a mutex.  */
@@ -72,25 +98,6 @@ note (const char* fmt, ...)
   pthread_mutex_unlock (&dg_mutex);
 }
 
-#define MAKE_DEJAGNU_H_THREADSAFE
-
-/* We also need to provide our own version of TEST_NAME.  */
-#define TEST_NAME
-
-/* We can now include all of the relevant selftests.  */
-
-#include "all-non-failing-tests.h"
-
-#define TEST_PROVIDES_MAIN
-#define TEST_ESCHEWS_TEST_JIT
-
-/* Now construct a test case from all the other test cases.
-
-   We undefine COMBINED_TEST so that we can now include harness.h
-   "for real".  */
-#undef COMBINED_TEST
-#include "harness.h"
-
 struct thread_data
 {
   pthread_t m_tid;