Add a testcase for PR ld/18176users/hjl/binutils-2_25-branch

Cherry-pick from master: 875b5b9d147d37c99a189aa95354f9bebdd64ef5
	PR ld/18176
	* ld-x86-64/pr18176.d: New file.
	* ld-x86-64/pr18176.s: Likewise.
	* ld-x86-64/pr18176.t: Likewise.
	* ld-x86-64/x86-64.exp: Run pr18176.

4 files changed, 101 insertions, 0 deletions

diff --git a/ld/testsuite/ld-x86-64/pr18176.d b/ld/testsuite/ld-x86-64/pr18176.d
new file mode 100644
index 0000000..3a08539
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr18176.d
@@ -0,0 +1,9 @@
+#name: PR ld/18176
+#as: --64
+#ld: -melf_x86_64 -shared -z relro -T pr18176.t -z max-page-size=0x200000 -z common-page-size=0x1000
+#readelf: -l --wide
+#target: x86_64-*-linux*
+
+#...
+  GNU_RELRO      0x04bd07 0x000000000024bd07 0x000000000024bd07 0x0022f9 0x0022f9 R   0x1
+#pass
diff --git a/ld/testsuite/ld-x86-64/pr18176.s b/ld/testsuite/ld-x86-64/pr18176.s
new file mode 100644
index 0000000..405355f
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr18176.s
@@ -0,0 +1,52 @@
+	.section .init,"ax",@progbits
+	.p2align 2
+	.space 0x1a
+	.section .text,"ax",@progbits
+	.p2align 4
+	.space 0x3ab96
+	.section .fini,"ax",@progbits
+	.p2align 2
+	.space 0x9
+	.section .foo_hdr,"a",@progbits
+	.p2align 2
+	.space 0xd14
+	.section .foo,"a",@progbits
+	.p2align 3
+	.space 0x4d5c
+	.section .rodata,"a",@progbits
+	.p2align 6
+	.space 0xa54d
+	.section .xxx,"a",@progbits
+	.space 0xf43
+	.section .yyy,"aw",@progbits
+	.space 0x1
+	.section .init_array,"aw",@init_array
+	.p2align 3
+	.space 0x10
+	.section .fini_array,"aw",@fini_array
+	.p2align 3
+	.space 0x8
+	.section	.tdata,"awT",%progbits
+	.p2align 3
+	.space 0x4
+	.section	.tbss,"awT",%nobits
+	.p2align 3
+	.space 0x40
+	.section	.data.rel.ro,"aw",%progbits
+	.p2align 6
+	.space 0x1b60
+	.section .jcr,"aw",@progbits
+	.p2align 3
+	.space 0x8
+	.section .bar,"aw",@progbits
+	.p2align 3
+	.space 0x640
+	.section	.data,"aw",%progbits
+	.p2align 5
+	.space 0x70
+	.section	.bss,"aw",%nobits
+	.p2align 6
+	.space 0x8a0
+	.section	BUS_ERROR_MAP,"aw",%progbits
+	.p2align 3
+	.space 0x230
diff --git a/ld/testsuite/ld-x86-64/pr18176.t b/ld/testsuite/ld-x86-64/pr18176.t
new file mode 100644
index 0000000..480c0cd
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr18176.t
@@ -0,0 +1,39 @@
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = SEGMENT_START("text-segment", 0) + SIZEOF_HEADERS;
+  .hash           : { *(.hash) }
+  .gnu.hash       : { *(.gnu.hash) }
+  .dynsym         : { *(.dynsym) }
+  .dynstr         : { *(.dynstr) }
+  .init           : { *(.init) }
+  .text           : { *(.text) }
+  .fini           : { *(.fini) }
+  .rodata         : { *(.rodata) }
+  .foo_hdr : { *(.foo_hdr) }
+  .foo : { *(.foo) }
+  .xxx : { *(.xxx) }
+  . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
+  .yyy : { *(.yyy) }
+  .tdata	  : { *(.tdata) }
+  .tbss		  : { *(.tbss) }
+  .init_array     : { *(.init_array) }
+  .fini_array     : { *(.fini_array) }
+  .jcr            : { *(.jcr) }
+  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
+  .dynamic        : { *(.dynamic) }
+  .bar            : { *(.bar) }
+  . = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .);
+  .got.plt        : { *(.got.plt) }
+  .data           : { *(.data) }
+  __bss_start = .;
+  .bss            :
+  {
+   *(.bss)
+   . = ALIGN(. != 0 ? 64 / 8 : 1);
+  }
+  . = ALIGN(64 / 8);
+  _end = .; PROVIDE (end = .);
+  . = DATA_SEGMENT_END (.);
+  /DISCARD/ : { *(.*) }
+}
diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp
index c480530..57b9e48 100644
--- a/ld/testsuite/ld-x86-64/x86-64.exp
+++ b/ld/testsuite/ld-x86-64/x86-64.exp
@@ -313,6 +313,7 @@ run_dump_test "mov1a"
 run_dump_test "mov1b"
 run_dump_test "mov1c"
 run_dump_test "mov1d"
+run_dump_test "pr18176"
 
 # Must be native with the C compiler
 if { [isnative] && [which $CC] != 0 } {