[llvm-bugs] [Bug 33101] New: Merge r296485 into the 4.0 branch: Driver: Update devtoolset usage for RHEL

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33101

            Bug ID: 33101
           Summary: Merge r296485 into the 4.0 branch: Driver: Update
                    devtoolset usage for RHEL
           Product: clang
           Version: 4.0
          Hardware: PC
               URL: https://reviews.llvm.org/rL296485
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Driver
          Assignee: richard-llvm at metafoo.co.uk
          Reporter: tstellar at gmail.com
                CC: llvm-bugs at lists.llvm.org
            Blocks: 32061

Hi Richard,

This patch updates the gcc search paths to include the install path for RHEL
Developer Toolset.  The Developer Toolset provides a newer gcc toolchain (gcc
6.3.0) than what's available on base RHEL (gcc 4.8.5).

Without this patch clang on RHEL will use gcc 4.8.5 libstdc++ by default which
is missing implementations of features from newer c++ standards (i.e. c++11 and
newer).

Is this OK to merge to the release_40 branch?


Referenced Bugs:

https://bugs.llvm.org/show_bug.cgi?id=32061
[Bug 32061] [meta] 4.0.1 Release Blockers
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