[PATCH] s390: avoid peeking eof after __vector

[Jiufu Guo <guojiufu@linux.ibm.com>]

Hi,

Same like PR101168, this patch is need for s390 to
avoid peeking eof after vector keyword.
And similar test case is also ok for s390.

Is this ok for trunk?

Jeff (Jiufu Guo)

	PR target/95782

gcc/ChangeLog:

	* config/s390/s390-c.cc (s390_macro_to_expand): Avoid empty identifier.

gcc/testsuite/ChangeLog:

	* g++.target/s390/pr95782.C: New test.

---
 gcc/config/s390/s390-c.cc               | 4 +++-
 gcc/testsuite/g++.target/s390/pr95782.C | 5 +++++
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/g++.target/s390/pr95782.C

diff --git a/gcc/config/s390/s390-c.cc b/gcc/config/s390/s390-c.cc
index 8d3d1a467a8..45f164d978b 100644
--- a/gcc/config/s390/s390-c.cc
+++ b/gcc/config/s390/s390-c.cc
@@ -275,7 +275,9 @@ s390_macro_to_expand (cpp_reader *pfile, const cpp_token *tok)
       /* __vector long __bool a; */
       if (ident == C_CPP_HASHNODE (__bool_keyword))
 	expand_bool_p = true;
-      else
+
+      /* If there are more tokens to check.  */
+      else if (ident)
 	{
 	  /* Triggered with: __vector long long __bool a; */
 	  do
diff --git a/gcc/testsuite/g++.target/s390/pr95782.C b/gcc/testsuite/g++.target/s390/pr95782.C
new file mode 100644
index 00000000000..daf887fc6fe
--- /dev/null
+++ b/gcc/testsuite/g++.target/s390/pr95782.C
@@ -0,0 +1,5 @@
+// { dg-do compile }
+// { dg-options "-march=z14 -mzvector" }
+
+using vdbl =  __vector double;
+#define BREAK 1
-- 
2.25.1