[clang] Multilib support for libraries with exceptions (PR #75031)

[Dominik Wójt via cfe-commits]

================
@@ -264,6 +273,14 @@ ToolChain::getMultilibFlags(const llvm::opt::ArgList 
&Args) const {
     break;
   }
 
+  // Include fno-exceptions and fno-rtti
+  // to improve multilib selection
+  if (getRTTIMode() == ToolChain::RTTIMode::RM_Disabled)
+    Result.push_back("-fno-rtti");
+
+  if (getExceptionsMode() == ToolChain::ExceptionsMode::EM_Disabled)
+    Result.push_back("-fno-exceptions");
----------------
domin144 wrote:

And a positive one here, too?

https://github.com/llvm/llvm-project/pull/75031
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