SWDEV-561590 - hipcc/ld.lld unable to link separable compilation when dynamic library is fully specified

Author: david-salinas

clang/lib/Driver/ToolChains/HIPUtility.cpp

@@ -241,6 +241,8 @@ class HIPUndefinedFatBinSymbols {
 
       bool isUndefined =
           FlagOrErr.get() & llvm::object::SymbolRef::SF_Undefined;
+      bool isHidden =
+          FlagOrErr.get() & llvm::object::SymbolRef::SF_Hidden;
       bool isFatBinSymbol = Name.starts_with(FatBinPrefix);
       bool isGPUBinHandleSymbol = Name.starts_with(GPUBinHandlePrefix);
 
@@ -249,7 +251,7 @@ class HIPUndefinedFatBinSymbols {
         if (isFatBinSymbol) {
           DefinedFatBinSymbols.insert(Name.str());
           FatBinSymbols.erase(Name.str());
-        } else if (isGPUBinHandleSymbol) {
+        } else if (isGPUBinHandleSymbol && (!isHidden) ) {
           DefinedGPUBinHandleSymbols.insert(Name.str());
           GPUBinHandleSymbols.erase(Name.str());
         }