[libcxx-commits] [PATCH] D118188: [libcxx] [Windows] Pick a unique bit for __regex_word

Martin Storsjö via Phabricator via libcxx-commits libcxx-commits at lists.llvm.org
Tue Jan 25 14:00:45 PST 2022


mstorsjo created this revision.
mstorsjo added a reviewer: ldionne.
mstorsjo requested review of this revision.
Herald added a project: libc++.
Herald added a reviewer: libc++.

The old `__regex_word` aliased the mask for `xdigit`, causing stray
test failures.

The diff may look surprising, as if the previous faulty value had
been set specifically for Windows - but this is due to a restructuring
in 411c630bae0e0d50697651797709987e2cfea92d. Prior to that, there
were OS specific settings for some OSes, and one fallback used for
the rest (which turns out to not work for Windows).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D118188

Files:
  libcxx/include/__locale
  libcxx/test/std/re/re.traits/isctype.pass.cpp
  libcxx/test/std/re/re.traits/lookup_classname.pass.cpp


Index: libcxx/test/std/re/re.traits/lookup_classname.pass.cpp
===================================================================
--- libcxx/test/std/re/re.traits/lookup_classname.pass.cpp
+++ libcxx/test/std/re/re.traits/lookup_classname.pass.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// XFAIL: LIBCXX-WINDOWS-FIXME
 // XFAIL: LIBCXX-AIX-FIXME
 
 // <regex>
Index: libcxx/test/std/re/re.traits/isctype.pass.cpp
===================================================================
--- libcxx/test/std/re/re.traits/isctype.pass.cpp
+++ libcxx/test/std/re/re.traits/isctype.pass.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// XFAIL: LIBCXX-WINDOWS-FIXME
 // XFAIL: LIBCXX-AIX-FIXME
 
 // <regex>
Index: libcxx/include/__locale
===================================================================
--- libcxx/include/__locale
+++ libcxx/include/__locale
@@ -452,7 +452,7 @@
     static const mask punct  = _PUNCT;
     static const mask xdigit = _HEX;
     static const mask blank  = _BLANK;
-    static const mask __regex_word = 0x80;
+    static const mask __regex_word = 0x4000; // 0x8000 and 0x0100 and 0x00ff are used
 # define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
 #elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__EMSCRIPTEN__) || defined(__NetBSD__)
 # ifdef __APPLE__


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