[PATCH] test-stdalign: test Oracle Studio better

[Paul Eggert]

* doc/posix-headers/stdalign.texi (stdalign.h):
* tests/test-stdalign.c (main):
Sun Studio Bug #2125432 seems to be fixed.
---
 ChangeLog                       | 5 +++++
 doc/posix-headers/stdalign.texi | 8 ++++----
 tests/test-stdalign.c           | 2 +-
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index a43c32eb8..a7a0ce840 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2020-09-20  Paul Eggert  <eggert@cs.ucla.edu>
 
+       test-stdalign: test Oracle Studio better
+       * doc/posix-headers/stdalign.texi (stdalign.h):
+       * tests/test-stdalign.c (main):
+       Sun Studio Bug #2125432 seems to be fixed.
+
        c-stack: output diagnostic in single 'write'
        * lib/c-stack.c (die): In the typical case, use just one 'write'
        syscall to output the diagnostic, as this lessens interleaving.
diff --git a/doc/posix-headers/stdalign.texi b/doc/posix-headers/stdalign.texi
index 9d7722fe3..0f76bc90e 100644
--- a/doc/posix-headers/stdalign.texi
+++ b/doc/posix-headers/stdalign.texi
@@ -53,12 +53,12 @@ Some compilers require the operand of 
@code{_Alignas}/@code{alignas}
 to be a single integer constant, not an expression: MSVC 7.0 through
 at least 10.0.
 @item
-The Sun C 5.11 compiler sometimes mishandles the alignment of multiple
+The Sun C 5.13 compiler sometimes mishandles the alignment of multiple
 external variables that are declared close together with
-@code{_Alignas}/@code{alignas}.  This compiler bug causes the Gnulib
-module @code{stdalign-tests} to fail.  The Sun Studio Developer Bug
+@code{_Alignas}/@code{alignas}.  The Sun Studio Developer Bug
 Report Review Team assigned the internal review ID 2125432 (dated
-2011-11-01) to this issue.
+2011-11-01) to this issue.  The bug appears to be fixed in Sun C 5.15,
+also known as Oracle Developer Studio 12.6.
 @item
 @code{<stdalign.h>} must be #included before @code{_Alignas} and
 @code{_Alignof} can be used.
diff --git a/tests/test-stdalign.c b/tests/test-stdalign.c
index 645116835..57e4c86e5 100644
--- a/tests/test-stdalign.c
+++ b/tests/test-stdalign.c
@@ -80,7 +80,7 @@ CHECK_STATIC (struct4);
 int
 main ()
 {
-#if defined __SUNPRO_C
+#if defined __SUNPRO_C && __SUNPRO_C < 0x5150
   /* Avoid a test failure due to Sun Studio Developer Bug Report #2125432.  */
   fputs ("Skipping test: known Sun C compiler bug\n", stderr);
   return 77;
-- 
2.17.1