[PATCH] PR gold/18689: Building perf fails with ld: fatal error: No space left on device

[H.J. Lu]

For relocatable link, we should clear the SHF_COMPRESSED flag bit from
input group section.

OK for trunk?

H.J.
--
	PR gold/18689
	* layout.cc (Layout::layout): Clear the SHF_COMPRESSED flag bit
	from input group section for relocatable link.
---
 gold/layout.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/gold/layout.cc b/gold/layout.cc
index 142fd90..11d87ef 100644
--- a/gold/layout.cc
+++ b/gold/layout.cc
@@ -1160,8 +1160,14 @@ Layout::layout(Sized_relobj_file<size, big_endian>* object, unsigned int shndx,
   if (parameters->options().relocatable()
       && (shdr.get_sh_flags() & elfcpp::SHF_GROUP) != 0)
     {
+      // Some flags in the input section should not be automatically
+      // copied to the output section.
+      elfcpp::Elf_Xword flags = (shdr.get_sh_flags()
+				 & ~ (elfcpp::SHF_COMPRESSED
+				      | elfcpp::SHF_MERGE
+				      | elfcpp::SHF_STRINGS));
       name = this->namepool_.add(name, true, NULL);
-      os = this->make_output_section(name, sh_type, shdr.get_sh_flags(),
+      os = this->make_output_section(name, sh_type, flags,
 				     ORDER_INVALID, false);
     }
   else
-- 
2.4.3