[libcxx-commits] [libcxx] [libc++][z/OS] Move z/OS to new locale API and resolve all name collisions (PR #165428)

[Louis Dionne via libcxx-commits]

================
@@ -26,3 +26,79 @@
 #ifdef erase
 #  undef erase
 #endif
+
+#ifdef __islower
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ldionne wrote:

Can you explain the need for these? Can't the system headers be fixed not to define these macros instead?

https://github.com/llvm/llvm-project/pull/165428