CI: Move the GCC-latest testing to GCC 13.1 on Linux

This includes an upgrade to CMake 3.26.3 and Bazel 6.2.0

This change includes support for both GCC 12 and 13 since we
were only testing GCC 11 before this change.

PiperOrigin-RevId: 534235753
Change-Id: I4183a02469b1c3425c52a31b71fcefe403315a42

absl/functional/CMakeLists.txt

@@ -39,7 +39,7 @@ absl_cc_test(
     "any_invocable_test.cc"
     "internal/any_invocable.h"
   COPTS
-    ${ABSL_DEFAULT_COPTS}
+    ${ABSL_TEST_COPTS}
   DEPS
     absl::any_invocable
     absl::base_internal

absl/functional/internal/any_invocable.h

@@ -135,8 +135,16 @@ void InvokeR(F&& f, P&&... args) {
 template <class ReturnType, class F, class... P,
           absl::enable_if_t<!std::is_void<ReturnType>::value, int> = 0>
 ReturnType InvokeR(F&& f, P&&... args) {
+  // GCC 12 has a false-positive -Wmaybe-uninitialized warning here.
+#if ABSL_INTERNAL_HAVE_MIN_GNUC_VERSION(12, 0)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
   return absl::base_internal::invoke(std::forward<F>(f),
                                      std::forward<P>(args)...);
+#if ABSL_INTERNAL_HAVE_MIN_GNUC_VERSION(12, 0)
+#pragma GCC diagnostic pop
+#endif
 }
 
 //

absl/strings/internal/cord_rep_flat.h

@@ -120,8 +120,16 @@ struct CordRepFlat : public CordRep {
     // Round size up so it matches a size we can exactly express in a tag.
     const size_t size = RoundUpForTag(len + kFlatOverhead);
     void* const raw_rep = ::operator new(size);
+    // GCC 13 has a false-positive -Wstringop-overflow warning here.
+    #if ABSL_INTERNAL_HAVE_MIN_GNUC_VERSION(13, 0)
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wstringop-overflow"
+    #endif
     CordRepFlat* rep = new (raw_rep) CordRepFlat();
     rep->tag = AllocatedSizeToTag(size);
+    #if ABSL_INTERNAL_HAVE_MIN_GNUC_VERSION(13, 0)
+    #pragma GCC diagnostic pop
+    #endif
     return rep;
   }
 

ci/linux_docker_containers.sh

@@ -17,5 +17,5 @@
 
 readonly LINUX_ALPINE_CONTAINER="gcr.io/google.com/absl-177019/alpine:20201026"
 readonly LINUX_CLANG_LATEST_CONTAINER="gcr.io/google.com/absl-177019/linux_hybrid-latest:20230217"
-readonly LINUX_GCC_LATEST_CONTAINER="gcr.io/google.com/absl-177019/linux_hybrid-latest:20230217"
+readonly LINUX_GCC_LATEST_CONTAINER="gcr.io/google.com/absl-177019/linux_hybrid-latest:20230517"
 readonly LINUX_GCC_FLOOR_CONTAINER="gcr.io/google.com/absl-177019/linux_gcc-floor:20230120"