[llvm] Add symbol visibility macros to abi-breaking.h.cmake (PR #110898)

[Vassil Vassilev via llvm-commits]

vgvassilev wrote:

> > > We should probably make Compiler.h textual.
> > 
> > 
> > Was that tried, @juliannagele?
> 
> I wouldn't know I'm afraid, happy to give it a try if you have a patch.

```diff
diff --git a/llvm/include/module.modulemap b/llvm/include/module.modulemap
index b00da6d7cd28..0c05e4cf674d 100644
--- a/llvm/include/module.modulemap
+++ b/llvm/include/module.modulemap
@@ -389,7 +389,7 @@ module LLVM_Utils {
     exclude header "llvm/Support/PluginLoader.h"
     exclude header "llvm/Support/Solaris/sys/regset.h"
     textual header "llvm/Support/TargetOpcodes.def"
-
+    textual header "llvm/Support/Compiler.h"
   }
 
   module TargetParser {
```


https://github.com/llvm/llvm-project/pull/110898