[clang] [Clang][Driver] Add gcc-13 toolset path on RHEL (PR #174464)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-driver

Author: Jan Patrick Lehr (jplehr)

<details>
<summary>Changes</summary>

Adding this additional path to enable clang+offload to be easily buildable in RHEL-based distros with GCC 13 toolset.

---
Full diff: https://github.com/llvm/llvm-project/pull/174464.diff


1 Files Affected:

- (modified) clang/lib/Driver/ToolChains/Gnu.cpp (+1) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 1bfcd1f4f3a7c..7ecdbe7c57650 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2293,6 +2293,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
       D.getVFS().exists("/opt/rh")) {
     // TODO: We may want to remove this, since the functionality
     //   can be achieved using config files.
+    Prefixes.push_back("/opt/rh/gcc-toolset-13/root/usr");
     Prefixes.push_back("/opt/rh/gcc-toolset-12/root/usr");
     Prefixes.push_back("/opt/rh/gcc-toolset-11/root/usr");
     Prefixes.push_back("/opt/rh/gcc-toolset-10/root/usr");

``````````

</details>


https://github.com/llvm/llvm-project/pull/174464