[PATCH] [ELF] Fix undefined symbol handling in DSO.

[Simon Atanasyan]

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Comment at: lib/Driver/GnuLdDriver.cpp:178
@@ -180,1 +177,3 @@
+    opts->registry().addSupportELFDynamicSharedObjects(opts->targetHandler());
+  return link(*opts, diagnostics);
 }
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It's a bit hard to understand that there is no functional changes here and the only code modification is a variable renaming. Maybe move such changes to the separate commit?

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Comment at: test/elf/dynamic-undef.test:23
@@ -22,3 @@
-RUN:   %p/Inputs/shared.so-x86-64 -o %t -e main -shared \
-RUN: --use-shlib-undefines --no-allow-shlib-undefined  2> %t2
-RUN: FileCheck -check-prefix=SHLIB %s < %t2
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IMHO we still need to check that --no-allow-shlib-undefined disallows undefined symbols in a shared library and lld returns an error in this case.


http://reviews.llvm.org/D3304