[lld] r319486 - Add missing test. NFC.

[Rafael Espindola via llvm-commits]

Author: rafael
Date: Thu Nov 30 14:29:14 2017
New Revision: 319486

URL: http://llvm.org/viewvc/llvm-project?rev=319486&view=rev
Log:
Add missing test. NFC.

We had no tests for what PROVIDE should do if there is a shared symbol
with the same name.

In both bfd and our existing implementation PROVIDE wins. Add a test
for that.

Added:
    lld/trunk/test/ELF/linkerscript/Inputs/provide-shared.s
    lld/trunk/test/ELF/linkerscript/provide-shared.s

Added: lld/trunk/test/ELF/linkerscript/Inputs/provide-shared.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/linkerscript/Inputs/provide-shared.s?rev=319486&view=auto
==============================================================================
--- lld/trunk/test/ELF/linkerscript/Inputs/provide-shared.s (added)
+++ lld/trunk/test/ELF/linkerscript/Inputs/provide-shared.s Thu Nov 30 14:29:14 2017
@@ -0,0 +1,5 @@
+        .global foo
+        .size foo, 8
+        .type foo, @object
+foo:
+        .quad 42

Added: lld/trunk/test/ELF/linkerscript/provide-shared.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/linkerscript/provide-shared.s?rev=319486&view=auto
==============================================================================
--- lld/trunk/test/ELF/linkerscript/provide-shared.s (added)
+++ lld/trunk/test/ELF/linkerscript/provide-shared.s Thu Nov 30 14:29:14 2017
@@ -0,0 +1,13 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/provide-shared.s -o %t2.o
+# RUN: ld.lld %t2.o -o %t2.so -shared
+# RUN: echo "SECTIONS { . = . + SIZEOF_HEADERS; PROVIDE(foo = 42);}" > %t.script
+# RUN: ld.lld -o %t --script %t.script %t.o %t2.so
+# RUN: llvm-objdump -t %t | FileCheck  %s
+
+# CHECK: 000000000000002a         *ABS*           00000000 foo
+
+.global _start
+_start:
+.quad foo