[NFCI][lldb][test] Add missing <functional> includes (llvm#165772)

tambry · web-flow · commit 1079f7a66ad7 · 2025-10-30T23:15:19.000+02:00
`std::ref()` is provided in `&lt;functional&gt;` and with recent libc++ changes it no longer seems to be
included transitively. Fix by including explicitly.
diff --git a/lldb/test/Shell/Register/Inputs/x86-multithread-read.cpp b/lldb/test/Shell/Register/Inputs/x86-multithread-read.cpp
@@ -1,4 +1,5 @@
 #include <cstdint>
+#include <functional>
 #include <mutex>
 #include <thread>
 
diff --git a/lldb/test/Shell/Register/Inputs/x86-multithread-write.cpp b/lldb/test/Shell/Register/Inputs/x86-multithread-write.cpp
@@ -1,6 +1,7 @@
 #include <cinttypes>
 #include <cstdint>
 #include <cstdio>
+#include <functional>
 #include <mutex>
 #include <thread>
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`#include <cstdint>`
	`2`	`+#include <functional>`
`2`	`3`	`#include <mutex>`
`3`	`4`	`#include <thread>`
`4`	`5`