4 files changed, 55 insertions, 0 deletions

diff --git a/ld/testsuite/ld-elf/elf.exp b/ld/testsuite/ld-elf/elf.exp
index a3a8994..1a160d0 100644
--- a/ld/testsuite/ld-elf/elf.exp
+++ b/ld/testsuite/ld-elf/elf.exp
@@ -607,4 +607,10 @@ run_ld_link_exec_tests [list \
     ] \
 ]
 
+set merge_exec_tests {
+    {"merge4" "" ""
+	{merge4a.c merge4b.s} "merge4" "merge4.out"}
+}
+run_ld_link_exec_tests $merge_exec_tests
+
 catch "exec rm -f tmpdir/preinit tmpdir/init tmpdir/fini tmpdir/init-mixed" status
diff --git a/ld/testsuite/ld-elf/merge4.out b/ld/testsuite/ld-elf/merge4.out
new file mode 100644
index 0000000..92c1b71
--- /dev/null
+++ b/ld/testsuite/ld-elf/merge4.out
@@ -0,0 +1,3 @@
+1: foobar
+2: 
+3: blabla
diff --git a/ld/testsuite/ld-elf/merge4a.c b/ld/testsuite/ld-elf/merge4a.c
new file mode 100644
index 0000000..133303e
--- /dev/null
+++ b/ld/testsuite/ld-elf/merge4a.c
@@ -0,0 +1,23 @@
+extern const char * getstr3(int);
+extern int printf (const char *, ...);
+
+extern const char *addr_of_str;
+extern const char *addr_of_str2;
+
+/* "foobar" needs to be a string literal, so that it's put into
+   a mergable string section, then merged with the "foobar" from merge4b.s
+   and then (when the linker is buggy) doesn't cover the additional
+   nul byte after "foobar" in the asm source (which addr_of_str2 is supposed
+   to point into.  */
+const char * getstr3(int i)
+{
+  return i ? "blabla" : "foobar";
+}
+
+int main(void)
+{
+  printf ("1: %s\n", addr_of_str);
+  printf ("2: %s\n", addr_of_str2);
+  printf ("3: %s\n", getstr3(1));
+  return 0;
+}
diff --git a/ld/testsuite/ld-elf/merge4b.s b/ld/testsuite/ld-elf/merge4b.s
new file mode 100644
index 0000000..d4b66aa
--- /dev/null
+++ b/ld/testsuite/ld-elf/merge4b.s
@@ -0,0 +1,23 @@
+/* Check that pointing into padding zeros of string sections works. */
+	.section	.rodata.str1.1,"aMS",@progbits,1
+	.string ""
+.LC0:
+	.string	"foobar"
+1:
+	.string ""
+	.string "whatever"
+	.section .data
+	.globl addr_of_str
+	.type addr_of_str, @object
+addr_of_str:
+	.dc.a str
+	.globl addr_of_str2
+	.type addr_of_str2, @object
+addr_of_str2:
+	.dc.a 1b
+	.section	.rodata
+	.type	str, @object
+	.size	str, 7
+str:
+	.string	"foobar"
+	.section	.note.GNU-stack,"",@progbits