[committed] Skip/xfail various tests for gcc-10 on hppa*-*-hpux*

[John David Anglin]

This change addresses a bunch of miscellaneous testsuite issues for 
hppa*-*-hpux*.

Tested on hppa2.0w-hp-hpux11.11 and hppa64-hp-hpux11.11.

Dave

2020-02-29  John David Anglin  <dang...@gcc.gnu.org>

        * g++.dg/pr90981.C: Skip on hppa*-*-hpux*.
        * gcc.dg/gnu2x-attrs-1.c: Add dg-require-alias.
        * gcc.dg/pr90756.c: Add -fno-common option on hppa*-*-hpux*.
        * gcc.dg/torture/20190327-1.c: Likewise.
        * gcc.dg/spellcheck-options-21.c: Skip on 32-bit hppa*-*-hpux*.
        * gcc.dg/strlenopt-68.c: Skip on hppa*-*-hpux*.
        * gcc.dg/torture/pr90020.c: Likewise.
        * gcc.dg/ucnid-16-utf8.c: Add dg-require-iconv "latin1".

diff --git a/gcc/testsuite/g++.dg/pr90981.C b/gcc/testsuite/g++.dg/pr90981.C
index 5a273027908..b88d6e88b68 100644
--- a/gcc/testsuite/g++.dg/pr90981.C
+++ b/gcc/testsuite/g++.dg/pr90981.C
@@ -1,4 +1,5 @@
 /* { dg-do compile } */
+/* { dg-skip-if "No dwarf debug support" { hppa*-*-hpux* } } */
 /* { dg-options "-O2 -g -gdwarf-5 -gsplit-dwarf" } */

 /* No addresses in the DWARF, so no .debug_addr section,
diff --git a/gcc/testsuite/gcc.dg/gnu2x-attrs-1.c 
b/gcc/testsuite/gcc.dg/gnu2x-attrs-1.c
index 87bdaec0807..2007911e720 100644
--- a/gcc/testsuite/gcc.dg/gnu2x-attrs-1.c
+++ b/gcc/testsuite/gcc.dg/gnu2x-attrs-1.c
@@ -1,6 +1,7 @@
 /* Test C2x attribute syntax.  Test GNU attributes appertain to
    appropriate constructs.  */
 /* { dg-do compile } */
+/* { dg-require-alias "" } */
 /* { dg-options "-std=gnu2x" } */

 void f (void) {};
diff --git a/gcc/testsuite/gcc.dg/pr90756.c b/gcc/testsuite/gcc.dg/pr90756.c
index 3507aa29e70..a4ba64acd72 100644
--- a/gcc/testsuite/gcc.dg/pr90756.c
+++ b/gcc/testsuite/gcc.dg/pr90756.c
@@ -2,6 +2,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -Wno-psabi" } */
 /* { dg-additional-options "-mno-sse" { target ia32 } } */
+/* { dg-additional-options "-fno-common" { target hppa*-*-hpux* } } */

 typedef float B __attribute__((vector_size(4 * sizeof (float))));
 typedef unsigned long long C __attribute__((vector_size(4 * sizeof (long 
long))));
diff --git a/gcc/testsuite/gcc.dg/spellcheck-options-21.c 
b/gcc/testsuite/gcc.dg/spellcheck-options-21.c
index 3e0e8a8ebaf..92fcb020e12 100644
--- a/gcc/testsuite/gcc.dg/spellcheck-options-21.c
+++ b/gcc/testsuite/gcc.dg/spellcheck-options-21.c
@@ -1,3 +1,4 @@
 /* { dg-do compile } */
+/* { dg-skip-if "-flto not supported" { { hppa*-*-hpux* } && { ! lp64 } } } */
 /* { dg-options "-flto=sparta" } */
 /* { dg-error "unrecognized argument to '-flto=' option: 'sparta'" "" { target 
*-*-* } 0 } */
diff --git a/gcc/testsuite/gcc.dg/strlenopt-68.c 
b/gcc/testsuite/gcc.dg/strlenopt-68.c
index 56d314e5d45..f77162f2c9d 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-68.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-68.c
@@ -3,6 +3,7 @@
    the expected result regardless of the order of the expression
    operands.
    { dg-do run }
+   { dg-skip-if "UNIX 2003 return behavior not supported" { hppa*-*-hpux* } }
    { dg-options "-O2 -Wall" } */

 #include "strlenopt.h"
diff --git a/gcc/testsuite/gcc.dg/torture/20190327-1.c 
b/gcc/testsuite/gcc.dg/torture/20190327-1.c
index bb20e7fba99..45093da768c 100644
--- a/gcc/testsuite/gcc.dg/torture/20190327-1.c
+++ b/gcc/testsuite/gcc.dg/torture/20190327-1.c
@@ -1,4 +1,5 @@
 /* { dg-do run } */
+/* { dg-additional-options "-fno-common" { target hppa*-*-hpux* } } */

 typedef long v2di __attribute__((vector_size(16)));
 v2di v;
diff --git a/gcc/testsuite/gcc.dg/torture/pr90020.c 
b/gcc/testsuite/gcc.dg/torture/pr90020.c
index 1748243852a..27d1ea41ddd 100644
--- a/gcc/testsuite/gcc.dg/torture/pr90020.c
+++ b/gcc/testsuite/gcc.dg/torture/pr90020.c
@@ -1,4 +1,5 @@
 /* { dg-do run } */
+/* { dg-skip-if "No undefined weak" { hppa*-*-hpux* } } */
 /* { dg-require-weak "" } */
 /* { dg-additional-options "-Wl,-undefined,dynamic_lookup" { target 
*-*-darwin* } } */
 /* { dg-additional-options "-Wl,-flat_namespace" { target *-*-darwin[89]* } } 
*/
diff --git a/gcc/testsuite/gcc.dg/ucnid-16-utf8.c 
b/gcc/testsuite/gcc.dg/ucnid-16-utf8.c
index 5d000a0758a..0b9befa4ad8 100644
--- a/gcc/testsuite/gcc.dg/ucnid-16-utf8.c
+++ b/gcc/testsuite/gcc.dg/ucnid-16-utf8.c
@@ -1,4 +1,5 @@
 /* { dg-do compile } */
+/* { dg-require-iconv "latin1" } */
 /* { dg-options "-std=c99 -g -finput-charset=latin1" } */
 /* { dg-final { scan-file ucnid-16-utf8.s "²" } } */