elf: Remove the property after reporting its removal

commit d2ef37ebd9f771d06edf1fdea37970f60b242b2d
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Dec 7 08:30:30 2018 -0800

    elf: Report property change when merging properties

failed to remove the property after reporting it has been removed.  This
patch corrects it.

bfd/

	PR ld/24721
	* elf-properties.c (elf_merge_gnu_property_list): Remove the
	property after reporting property removal.

ld/

	PR ld/24721
	* testsuite/ld-x86-64/x86-64.exp: Run PR ld/24721 tests.
	* testsuite/ld-x86-64/pr24721-x32.d: New file.
	* testsuite/ld-x86-64/pr24721.d: Likewise.
	* testsuite/ld-x86-64/pr24721.map: Likewise.
	* testsuite/ld-x86-64/pr24721a.s: Likewise.
	* testsuite/ld-x86-64/pr24721b.s: Likewise.

6 files changed, 57 insertions, 0 deletions

diff --git a/ld/testsuite/ld-x86-64/pr24721-x32.d b/ld/testsuite/ld-x86-64/pr24721-x32.d
new file mode 100644
index 0000000..9b067ef
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721-x32.d
@@ -0,0 +1,6 @@
+#source: pr24721a.s
+#source: pr24721b.s
+#as: --x32 -mx86-used-note=no
+#ld: -r -m elf32_x86_64 -Map tmpdir/pr24721.map
+#readelf: -n
+#map: pr24721.map
diff --git a/ld/testsuite/ld-x86-64/pr24721.d b/ld/testsuite/ld-x86-64/pr24721.d
new file mode 100644
index 0000000..efa88db
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721.d
@@ -0,0 +1,6 @@
+#source: pr24721a.s
+#source: pr24721b.s
+#as: --64 -defsym __64_bit__=1 -mx86-used-note=no
+#ld: -r -melf_x86_64 -Map tmpdir/pr24721.map
+#readelf: -n
+#map: pr24721.map
diff --git a/ld/testsuite/ld-x86-64/pr24721.map b/ld/testsuite/ld-x86-64/pr24721.map
new file mode 100644
index 0000000..9e63fff
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721.map
@@ -0,0 +1,3 @@
+#...
+Removed property 0xc0000002 to merge tmpdir/pr24721a.o \(0x1\) and tmpdir/pr24721b.o \(not found\)
+#pass
diff --git a/ld/testsuite/ld-x86-64/pr24721a.s b/ld/testsuite/ld-x86-64/pr24721a.s
new file mode 100644
index 0000000..b229d19
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721a.s
@@ -0,0 +1,34 @@
+	.text
+	.globl foo
+	.type foo,@function
+	.p2align 4
+foo:
+	ret
+
+	.section ".note.gnu.property", "a"
+.ifdef __64_bit__
+	.p2align 3
+.else
+	.p2align 2
+.endif
+	.long 1f - 0f		/* name length */
+	.long 5f - 2f		/* data length */
+	.long 5			/* note type */
+0:	.asciz "GNU"		/* vendor name */
+1:
+.ifdef __64_bit__
+	.p2align 3
+.else
+	.p2align 2
+.endif
+2:	.long 0xc0000002	/* pr_type.  */
+	.long 4f - 3f		/* pr_datasz.  */
+3:
+	.long 0x1
+4:
+.ifdef __64_bit__
+	.p2align 3
+.else
+	.p2align 2
+.endif
+5:
diff --git a/ld/testsuite/ld-x86-64/pr24721b.s b/ld/testsuite/ld-x86-64/pr24721b.s
new file mode 100644
index 0000000..3d11691
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721b.s
@@ -0,0 +1,6 @@
+	.text
+	.globl bar
+	.type bar,@function
+	.p2align 4
+bar:
+	ret
diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp
index 23f2020..d815e5d 100644
--- a/ld/testsuite/ld-x86-64/x86-64.exp
+++ b/ld/testsuite/ld-x86-64/x86-64.exp
@@ -456,6 +456,8 @@ run_dump_test "pr24458b"
 run_dump_test "pr24458b-x32"
 run_dump_test "pr24458c"
 run_dump_test "pr24458c-x32"
+run_dump_test "pr24721"
+run_dump_test "pr24721-x32"
 
 if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} {
     return