[PATCH] D57264: Bump minimum toolchain version

[Hubert Tong via Phabricator via llvm-commits]

hubert.reinterpretcast marked an inline comment as done.
hubert.reinterpretcast added inline comments.


================
Comment at: cmake/modules/CheckCompilerVersion.cmake:73
+#include <ciso646>
+#if __GLIBCXX__ < ${GCC_MIN_DATE}
+#error Unsupported
----------------
I can find `__GLIBCXX__` on GCC 6.x toolchains, but I haven't found it on older ones.
```
#include <ciso646>
extern char x[__GLIBCXX__]; // error: '__GLIBCXX__' was not declared in this scope
```



Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57264/new/

https://reviews.llvm.org/D57264