[gcc r13-5081] libstdc++: Fix tzdb.cc to compile with -fno-exceptions

[Jonathan Wakely]

https://gcc.gnu.org/g:8b7c12d83ccb6565d1f4532f9669c33ebbafaef8

commit r13-5081-g8b7c12d83ccb6565d1f4532f9669c33ebbafaef8
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Mon Jan 9 14:13:16 2023 +0000

    libstdc++: Fix tzdb.cc to compile with -fno-exceptions
    
    libstdc++-v3/ChangeLog:
    
            * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and
            __catch macros for exception handling.

Diff:
---
 libstdc++-v3/src/c++20/tzdb.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libstdc++-v3/src/c++20/tzdb.cc b/libstdc++-v3/src/c++20/tzdb.cc
index 7227fe7cfe6..e335ea61c4d 100644
--- a/libstdc++-v3/src/c++20/tzdb.cc
+++ b/libstdc++-v3/src/c++20/tzdb.cc
@@ -1197,11 +1197,11 @@ namespace std::chrono
   const tzdb&
   tzdb_list::_Node::_S_init_tzdb()
   {
-    try
+    __try
       {
 	return reload_tzdb();
       }
-    catch (const std::exception&)
+    __catch (const std::exception&)
       {
 	auto [leaps, ok] = _S_read_leap_seconds();