[SYCL] Avoid MSVC's max macro in allocator_traits (#6565)

steffenlarsen · aelovikov-intel · web-flow · commit ee5972319b16 · 2022-08-11T18:29:07.000+01:00
Compiling aligned_allocator.hpp with MSVC causes a problem as max is
defined as a macro. This commit works around this issue.

Signed-off-by: Larsen, Steffen &lt;steffen.larsen@intel.com&gt;
Co-authored-by: aelovikov-intel &lt;andrei.elovikov@intel.com&gt;
diff --git a/sycl/include/sycl/detail/aligned_allocator.hpp b/sycl/include/sycl/detail/aligned_allocator.hpp
@@ -131,7 +131,8 @@ struct allocator_traits<sycl::detail::aligned_allocator<T>> {
   }
 
   static size_type max_size(const allocator_type &) noexcept {
-    return std::numeric_limits<size_type>::max() / sizeof(value_type);
+    // max is a macro on Windows...
+    return (std::numeric_limits<size_type>::max)() / sizeof(value_type);
   }
 
   static allocator_type

Original file line number	Diff line number	Diff line change
`@@ -131,7 +131,8 @@ struct allocator_traits<sycl::detail::aligned_allocator<T>> {`
`131`	`131`	`}`
`132`	`132`
`133`	`133`	`static size_type max_size(const allocator_type &) noexcept {`
`134`		`- return std::numeric_limits<size_type>::max() / sizeof(value_type);`
	`134`	`+ // max is a macro on Windows...`
	`135`	`+ return (std::numeric_limits<size_type>::max)() / sizeof(value_type);`
`135`	`136`	`}`
`136`	`137`
`137`	`138`	`static allocator_type`