[CHERIoT] Restore pre-clang-21 behavior of using LLD as the default baremetal linker.

resistor · resistor · commit 45988c329f14 · 2025-08-28T18:06:55.000+08:00
diff --git a/clang/lib/Driver/ToolChains/BareMetal.h b/clang/lib/Driver/ToolChains/BareMetal.h
@@ -56,6 +56,9 @@ class LLVM_LIBRARY_VISIBILITY BareMetal : public Generic_ELF {
     return UnwindTableLevel::None;
   }
 
+  // XXX CHERIOT: Restore pre-clang21 behavior of defaulting to lld.
+  const char *getDefaultLinker() const override { return "ld.lld"; }
+
   CXXStdlibType GetDefaultCXXStdlibType() const override;
 
   RuntimeLibType GetDefaultRuntimeLibType() const override;

Original file line number	Diff line number	Diff line change
`@@ -56,6 +56,9 @@ class LLVM_LIBRARY_VISIBILITY BareMetal : public Generic_ELF {`
`56`	`56`	`return UnwindTableLevel::None;`
`57`	`57`	`}`
`58`	`58`
	`59`	`+ // XXX CHERIOT: Restore pre-clang21 behavior of defaulting to lld.`
	`60`	`+ const char *getDefaultLinker() const override { return "ld.lld"; }`
	`61`	`+`
`59`	`62`	`CXXStdlibType GetDefaultCXXStdlibType() const override;`
`60`	`63`
`61`	`64`	`RuntimeLibType GetDefaultRuntimeLibType() const override;`