From 87ac7db2f2cdc210b551d5bc2b37e5a5e8e963ea Mon Sep 17 00:00:00 2001
From: Bogdan Graur <bgraur@google.com>
Date: Tue, 26 Aug 2025 10:34:17 -0700
Subject: [PATCH] std::multimap::find() is not guaranteed to return the first
 entry with the requested key. Any may be returned if many exist.

A newer libc++ optimizes the multimap::find() and the first entry is no longer
returned.

PiperOrigin-RevId: 799621859
Change-Id: Ia17f0ff90f720791be563ffb32dc852fe74cdcf1
---
 absl/strings/str_split_test.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/absl/strings/str_split_test.cc b/absl/strings/str_split_test.cc
index b083975b..c17c4724 100644
--- a/absl/strings/str_split_test.cc
+++ b/absl/strings/str_split_test.cc
@@ -216,7 +216,7 @@ TEST(Split, APIExamples) {
     std::multimap<std::string, std::string> m =
         absl::StrSplit("a,1,b,2,a,3", ',');
     EXPECT_EQ(3, m.size());
-    auto it = m.find("a");
+    auto it = m.lower_bound("a");
     EXPECT_EQ("1", it->second);
     ++it;
     EXPECT_EQ("3", it->second);