[flang] Fix error compiling std::min on macos
On macos, `size_t` is `unsigned long` while `size_t - int64_t` is
`unsigned long long` so std::min requires an explicit type to compile.
Differential Revision: https://reviews.llvm.org/D99340
GitOrigin-RevId: 61a55c8812e790842799ba1de5bd81fe8afb3b16
diff --git a/unittests/Runtime/buffer.cpp b/unittests/Runtime/buffer.cpp
index 4f1c96b..f5eca03 100644
--- a/unittests/Runtime/buffer.cpp
+++ b/unittests/Runtime/buffer.cpp
@@ -31,7 +31,7 @@
static_cast<int>(at), static_cast<int>(minBytes),
static_cast<int>(maxBytes));
}
- auto result{std::min(maxBytes, bytes_ - at)};
+ auto result{std::min<std::size_t>(maxBytes, bytes_ - at)};
std::memcpy(to, &data_[at], result);
expect_ = at + result;
return result;
