Tested on hppa64-hp-hpux11.11.  Committed to trunk.

Dave
---

Fix compilation of gcc.dg/atomic/c11-atomic-exec-[45].c on hpux.

_HPUX_SOURCE needs to be defined to provide various types needed
for pthreads.

2023-01-07  John David Anglin  <danglin@gcc.gnu.org>

gcc/testsuite/ChangeLog:

	* gcc.dg/atomic/c11-atomic-exec-4.c: Add "-D_HPUX_SOURCE" option
	on *-*-hpux*.
	* gcc.dg/atomic/c11-atomic-exec-5.c: Likewise.

diff --git a/gcc/testsuite/gcc.dg/atomic/c11-atomic-exec-4.c b/gcc/testsuite/gcc.dg/atomic/c11-atomic-exec-4.c
index 669e7c058c3..a7e158f14e8 100644
--- a/gcc/testsuite/gcc.dg/atomic/c11-atomic-exec-4.c
+++ b/gcc/testsuite/gcc.dg/atomic/c11-atomic-exec-4.c
@@ -4,6 +4,7 @@
 /* { dg-do run } */
 /* { dg-options "-std=c11 -pedantic-errors -pthread -U_POSIX_C_SOURCE -D_POSIX_C_SOURCE=200809L" } */
 /* { dg-additional-options "-D_XOPEN_SOURCE=600" { target *-*-solaris2* } } */
+/* { dg-additional-options "-D_HPUX_SOURCE" { target *-*-hpux* } } */
 /* { dg-require-effective-target pthread } */
 
 #include <stdint.h>
diff --git a/gcc/testsuite/gcc.dg/atomic/c11-atomic-exec-5.c b/gcc/testsuite/gcc.dg/atomic/c11-atomic-exec-5.c
index f8bfa63b4cc..299d6ab904b 100644
--- a/gcc/testsuite/gcc.dg/atomic/c11-atomic-exec-5.c
+++ b/gcc/testsuite/gcc.dg/atomic/c11-atomic-exec-5.c
@@ -7,6 +7,7 @@
 /* { dg-add-options ieee } */
 /* { dg-additional-options "-mfp-trap-mode=sui" { target alpha*-*-* } } */
 /* { dg-additional-options "-D_XOPEN_SOURCE=600" { target *-*-solaris2* } } */
+/* { dg-additional-options "-D_HPUX_SOURCE" { target *-*-hpux* } } */
 /* { dg-require-effective-target fenv_exceptions } */
 /* { dg-require-effective-target pthread } */
 /* { dg-timeout-factor 2 } */