Fix Windows Build

Fix Align to be not a log size.

Author: mjp41

src/redirect/redirect.cc

@@ -8,7 +8,7 @@
 #ifdef WIN32
 #  define REDIRECT_MALLOC_SIZE(a, b) \
     extern "C" void* NAME(a)(); \
-    __pragma(comment(linker, "/alternatename:malloc_size_##a=malloc_size_##b"))
+    __pragma(comment(linker, "/alternatename:##a=##b"))
 #else
 #  define REDIRECT_MALLOC_SIZE(a, b) \
     __attribute__((alias(#b))) extern "C" void* a()
@@ -27,20 +27,25 @@ extern "C" void free_local_small(void* ptr)
   snmalloc::ThreadAlloc::get_noncachable()->small_local_dealloc_slow(ptr);
 }
 
+#ifdef WIN32
+#  define GENERATE_FREE_SIZE(a) \
+    extern "C" void* NAME(a)(); \
+    __pragma(comment(linker, "/alternatename:##a=free_local_small"))
+#else
 #  define GENERATE_FREE_SIZE(a) \
     __attribute__((alias("free_local_small"))) extern "C" void* a()
+#endif
 
 void* __stack_alloc_large(size_t size, size_t align)
 {
-  size_t asize = snmalloc::aligned_size(1ULL << align, size);
+  size_t asize = snmalloc::aligned_size(align, size);
   return snmalloc::ThreadAlloc::get_noncachable()->alloc(asize);
 }
 
 void __stack_free_large(void* ptr, size_t size, size_t align)
 {
-  size_t asize = snmalloc::aligned_size(1ULL << align, size);
+  size_t asize = snmalloc::aligned_size(align, size);
   snmalloc::ThreadAlloc::get_noncachable()->dealloc(ptr, asize);
 }
 
-
 #include "generated.cc"