Fix preprocessor checks for Clang builtins
[gcc.git] / libstdc++-v3 / ChangeLog
index 8d36a12c724646c932d8e7887441b2d0eab53077..0a31f6bdb769bb1d21176a4c34964673dc9f172f 100644 (file)
@@ -1,3 +1,9 @@
+2019-07-02  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
+       (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
+       instead of __is_identifier to detect Clang support.
+
 2019-07-02  Jim Wilson  <jimw@sifive.com>
 
        * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,