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Unified Diff: src/types.h

Issue 653693002: Reland "Refine expression typing, esp. by propagating range information." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: The actual changes since reverting. Created 6 years, 2 months ago
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Index: src/types.h
diff --git a/src/types.h b/src/types.h
index b349b6b970c9282df9bc60894edf3e5d453878c7..3ea3c601cf535398baa9be65dfdc985c26fca379 100644
--- a/src/types.h
+++ b/src/types.h
@@ -242,6 +242,9 @@ namespace internal {
*
* E.g., OtherUnsigned32 (OU32) covers all integers from 2^31 to 2^32-1.
*
+ * NOTE: OtherSigned32 (OS32) and OU31 (OtherUnsigned31) are empty if SMIs are
+ * 32-bit wide. They should thus never be used directly, only indirectly
+ * via e.g. Number.
*/
#define PROPER_BITSET_TYPE_LIST(V) \
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