Bring r319051 back.

It had been reverted because it depended on r319008 which has been
recommitted.

Original message:

Add a missing test.

We were not testing that we correctly handled a .o with a weak symbol
after a .so.

llvm-svn: 319217

1 files changed, 56 insertions, 0 deletions

diff --git a/lld/test/ELF/gc-sections-shared.s b/lld/test/ELF/gc-sections-shared.s
index b9ce5dee1be..13be58cbbac 100644
--- a/lld/test/ELF/gc-sections-shared.s
+++ b/lld/test/ELF/gc-sections-shared.s
@@ -66,6 +66,62 @@
 # CHECK:     NEEDED Shared library: [{{.*}}3.so]
 # CHECK-NOT: NEEDED
 
+# Test with %t.o at the end too.
+# RUN: ld.lld --gc-sections --export-dynamic-symbol foo -o %t --as-needed %t2.so %t3.so %t4.so %t.o
+# RUN: llvm-readobj --dynamic-table --dyn-symbols %t | FileCheck --check-prefix=CHECK2 %s
+
+# CHECK2:      DynamicSymbols [
+# CHECK2-NEXT:   Symbol {
+# CHECK2-NEXT:     Name:
+# CHECK2-NEXT:     Value:
+# CHECK2-NEXT:     Size:
+# CHECK2-NEXT:     Binding: Local
+# CHECK2-NEXT:     Type:
+# CHECK2-NEXT:     Other:
+# CHECK2-NEXT:     Section: Undefined (0x0)
+# CHECK2-NEXT:   }
+# CHECK2-NEXT:   Symbol {
+# CHECK2-NEXT:     Name: bar
+# CHECK2-NEXT:     Value:
+# CHECK2-NEXT:     Size:
+# CHECK2-NEXT:     Binding: Global
+# CHECK2-NEXT:     Type:
+# CHECK2-NEXT:     Other:
+# CHECK2-NEXT:     Section: .text
+# CHECK2-NEXT:   }
+# CHECK2-NEXT:   Symbol {
+# CHECK2-NEXT:     Name: qux
+# CHECK2-NEXT:     Value:
+# CHECK2-NEXT:     Size:
+# CHECK2-NEXT:     Binding: Weak
+# CHECK2-NEXT:     Type:
+# CHECK2-NEXT:     Other:
+# CHECK2-NEXT:     Section: Undefined
+# CHECK2-NEXT:   }
+# CHECK2-NEXT:   Symbol {
+# CHECK2-NEXT:     Name: foo
+# CHECK2-NEXT:     Value:
+# CHECK2-NEXT:     Size:
+# CHECK2-NEXT:     Binding: Global
+# CHECK2-NEXT:     Type:
+# CHECK2-NEXT:     Other:
+# CHECK2-NEXT:     Section: .text
+# CHECK2-NEXT:   }
+# CHECK2-NEXT:   Symbol {
+# CHECK2-NEXT:     Name: baz
+# CHECK2-NEXT:     Value:
+# CHECK2-NEXT:     Size:
+# CHECK2-NEXT:     Binding: Global
+# CHECK2-NEXT:     Type:
+# CHECK2-NEXT:     Other:
+# CHECK2-NEXT:     Section: Undefined
+# CHECK2-NEXT:   }
+# CHECK2-NEXT: ]
+
+# CHECK2-NOT: NEEDED
+# CHECK2:     NEEDED Shared library: [{{.*}}3.so]
+# CHECK2-NOT: NEEDED
+
 .section .text.foo, "ax"
 .globl foo
 foo: