[PATCH] D25683: [docs] Increase minimum supported GCC version for building LLVM to 4.8

[Teresa Johnson via llvm-commits]

tejohnson added a comment.

In https://reviews.llvm.org/D25683#573012, @Meinersbur wrote:

> I just noticed this is already implemented in `cmake/modules/CheckCompilerVersion.cmake`, ie. the version increase is missing in this patch.


Will bump the min version there and add to this patch.


https://reviews.llvm.org/D25683