[lld] lld: relocate PHDR if sectionStartMap is not empty (PR #140126)

[Fangrui Song via llvm-commits]

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@@ -331,7 +331,7 @@ template <class ELFT> void Writer<ELFT>::run() {
   for (OutputSection *sec : ctx.outputSections)
     sec->maybeCompress<ELFT>(ctx);
 
-  if (ctx.script->hasSectionsCommand)
+  if (ctx.script->hasSectionsCommand || !ctx.arg.sectionStartMap.empty())
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MaskRay wrote:

I don't think we should call allocateHeaders for the additional condition.

The user might specify --section-start to increase the address of a section. It should not change ELF header/program headers behavior.

https://github.com/llvm/llvm-project/pull/140126