[gcc r12-3150] libstdc++: Add another non-reserved name to tests

[Jonathan Wakely]

https://gcc.gnu.org/g:ea5674687ac45fe7242c57220b699337899881f0

commit r12-3150-gea5674687ac45fe7242c57220b699337899881f0
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Aug 25 23:19:25 2021 +0100

    libstdc++: Add another non-reserved name to tests
    
    Signed-off-by: Jonathan Wakely <jwakely@redhat.com>
    
    libstdc++-v3/ChangeLog:
    
            * testsuite/17_intro/names.cc: Check 'sz'.

Diff:
---
 libstdc++-v3/testsuite/17_intro/names.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libstdc++-v3/testsuite/17_intro/names.cc b/libstdc++-v3/testsuite/17_intro/names.cc
index b0cc21d6cda..b945511e088 100644
--- a/libstdc++-v3/testsuite/17_intro/names.cc
+++ b/libstdc++-v3/testsuite/17_intro/names.cc
@@ -108,6 +108,7 @@
 
 #define func (
 #define tmp (
+#define sz (
 
 #if __cplusplus < 201103L
 #define uses_allocator  (