[gcc(refs/vendors/ARM/heads/morello)] Fix testsuite/g++.dg/cpp1y/constexpr-66093.C execution failure...

[Alex Coplan]

https://gcc.gnu.org/g:792bde5aca116d971319fcb0d5fe1f2fc3655c8c

commit 792bde5aca116d971319fcb0d5fe1f2fc3655c8c
Author: Jerome Lambourg <lambourg@adacore.com>
Date:   Tue Jan 5 04:47:41 2021 -0300

    Fix testsuite/g++.dg/cpp1y/constexpr-66093.C execution failure...
    
    The constexpr iteration dereferenced an array element past the end of
    the array.
    
    
    for  gcc/testsuite/ChangeLog
    
            * g++.dg/cpp1y/constexpr-66093.C: Fix bounds issue.
    
    (cherry picked from commit 560d9915762d61bd1027259ecf55339f40a0a1de)

Diff:
---
 gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C b/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C
index ad3169210d2..3d742cfebd8 100644
--- a/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C
+++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C
@@ -19,7 +19,7 @@ private:
 
 constexpr A f() {
     A a{};
-    for (int i = 1; i <= n; i++) {
+    for (int i = 0; i < n; i++) {
         a[i] = i;
     }
     return a;