[libc] Include algorithm.h to parser.h

[Caslyn]

This includes algorithm.h directly to provide the definition for cpp:max in parser.h. This will define max(...) in the libc namespace for build systems that pull in parser.h explicitly.

[llvmbot]

@llvm/pr-subscribers-libc

Author: Caslyn Tonelli (Caslyn)

Changes

This includes algorithm.h directly to provide the definition for cpp:max in parser.h. This will define max(...) in the libc namespace for build systems that pull in parser.h explicitly.

---

Full diff: https://github.com/llvm/llvm-project/pull/87125.diff

1 Files Affected:

• (modified) libc/src/stdio/printf_core/parser.h (+1)

diff --git a/libc/src/stdio/printf_core/parser.h b/libc/src/stdio/printf_core/parser.h
index 8e8c77e219fa4d..eda978a83ea8af 100644
--- a/libc/src/stdio/printf_core/parser.h
+++ b/libc/src/stdio/printf_core/parser.h
@@ -10,6 +10,7 @@
 #define LLVM_LIBC_SRC_STDIO_PRINTF_CORE_PARSER_H
 
 #include "include/llvm-libc-macros/stdfix-macros.h"
+#include "src/__support/CPP/algorithm.h" // max
 #include "src/__support/CPP/optional.h"
 #include "src/__support/CPP/type_traits.h"
 #include "src/__support/str_to_integer.h"