* gdb.base/break.exp ("breakpoint line number"): Make sure the

default source file is set properly before running this test.

gdb/testsuite/gdb.base/break.exp

@@ -92,6 +92,15 @@ gdb_test "break $srcfile:factorial" \
 #
 # test break at line number
 #
+# Note that the default source file is the last one whose source text
+# was printed.  For native debugging, before we've executed the
+# program, this is the file containing main, but for remote debugging,
+# it's wherever the processor was stopped when we connected to the
+# board.  So, to be sure, we do a list command.
+#
+gdb_test "list main" \
+    ".*main \\(argc, argv, envp\\).*" \
+    "use `list' to establish default source file"
 gdb_test "break 79" \
     "Breakpoint.*at.* file .*$srcfile, line 79\\." \
     "breakpoint line number"