Auto increase inlined capacity whenever it does not affect class' size.

PiperOrigin-RevId: 487292771
Change-Id: I2454e28fe91017fb2954a4ad194712fcafe893d2

1 files changed, 12 insertions, 0 deletions

diff --git a/absl/container/inlined_vector.h b/absl/container/inlined_vector.h
index 15616001..7058f375 100644
--- a/absl/container/inlined_vector.h
+++ b/absl/container/inlined_vector.h
@@ -661,10 +661,22 @@ class InlinedVector {
     ABSL_HARDENING_ASSERT(pos <= end());
 
     value_type dealias(std::forward<Args>(args)...);
+    // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102329#c2
+    // It appears that GCC thinks that since `pos` is a const pointer and may
+    // point to uninitialized memory at this point, a warning should be
+    // issued. But `pos` is actually only used to compute an array index to
+    // write to.
+#if !defined(__clang__) && defined(__GNUC__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
     return storage_.Insert(pos,
                            IteratorValueAdapter<A, MoveIterator<A>>(
                                MoveIterator<A>(std::addressof(dealias))),
                            1);
+#if !defined(__clang__) && defined(__GNUC__)
+#pragma GCC diagnostic pop
+#endif
   }
 
   // `InlinedVector::emplace_back(...)`