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[committed] libstdc++: Suppress -Waddress warning in tzdb.cc [PR108228]

Message ID 20230106212135.397113-1-jwakely@redhat.com
State New
Headers show
Series [committed] libstdc++: Suppress -Waddress warning in tzdb.cc [PR108228] | expand

Commit Message

Jonathan Wakely Jan. 6, 2023, 9:21 p.m. UTC 
Tested x86_64-linux and powerpc-aix. Pushed to trunk.

-- >8 --

For some tarets the weak symbol is always defined, so we get a warning
that its address is never null. The warning isn't useful in this case,
so suppress it.

libstdc++-v3/ChangeLog:

	PR libstdc++/108228
	* src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma.
---
 libstdc++-v3/src/c++20/tzdb.cc | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/libstdc++-v3/src/c++20/tzdb.cc b/libstdc++-v3/src/c++20/tzdb.cc
index fa4f4c7a30c..7227fe7cfe6 100644
--- a/libstdc++-v3/src/c++20/tzdb.cc
+++ b/libstdc++-v3/src/c++20/tzdb.cc
@@ -1013,9 +1013,12 @@  namespace std::chrono
     string
     zoneinfo_dir()
     {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Waddress"
       static const string dir = __gnu_cxx::zoneinfo_dir_override
 				  ? __gnu_cxx::zoneinfo_dir_override()
 				  : _GLIBCXX_ZONEINFO_DIR;
+#pragma GCC diagnostic pop
       return dir;
     }