[gcc(refs/vendors/ibm/heads/perf)] libbacktrace: update to current libgo test file

[Jiu Fu Guo]

https://gcc.gnu.org/g:9a3d019a74d8d49fb6e6d75a00bd79fdb936a2e1

commit 9a3d019a74d8d49fb6e6d75a00bd79fdb936a2e1
Author: Ian Lance Taylor <iant@golang.org>
Date:   Sat Feb 15 18:24:35 2020 -0800

    libbacktrace: update to current libgo test file
    
            * ztest.c (test_large): Update file to current libgo test file.

Diff:
---
 libbacktrace/ChangeLog | 4 ++++
 libbacktrace/ztest.c   | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index 36457566054..c031dffb6b9 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,7 @@
+2020-02-15  Ian Lance Taylor  <iant@golang.org>
+
+	* ztest.c (test_large): Update file to current libgo test file.
+
 2020-02-03  Ian Lance Taylor  <iant@golang.org>
 
 	* Makefile.am (libbacktrace_TEST_CFLAGS): Define.
diff --git a/libbacktrace/ztest.c b/libbacktrace/ztest.c
index 40f9c389a2a..2663c90061a 100644
--- a/libbacktrace/ztest.c
+++ b/libbacktrace/ztest.c
@@ -315,8 +315,8 @@ test_large (struct backtrace_state *state)
   size_t ctimes[16];
   size_t ztimes[16];
   static const char * const names[] = {
-    "Mark.Twain-Tom.Sawyer.txt",
-    "../libgo/go/compress/testdata/Mark.Twain-Tom.Sawyer.txt"
+    "Isaac.Newton-Opticks.txt",
+    "../libgo/go/testdata/Isaac.Newton-Opticks.txt",
   };
 
   orig_buf = NULL;