Add tests for array decay.

diff --git a/gdb/testsuite/gdb.compile/cp-array-decay.cc b/gdb/testsuite/gdb.compile/cp-array-decay.cc
new file mode 100644 (file)
index 0000000..8e2cead
--- /dev/null
+++ b/gdb/testsuite/gdb.compile/cp-array-decay.cc
@@ -0,0 +1,31 @@
+/* Copyright 2017 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+static const char *g_string_initializer = "hello";
+
+int
+main ()
+{
+   int integers[10];
+   const char *strings[10];
+
+   for (auto &i : integers)
+     i = 0;
+
+   for (auto &i : strings)
+     i = g_string_initializer;
+
+  return 0;                    // break here
+}

diff --git a/gdb/testsuite/gdb.compile/cp-array-decay.exp b/gdb/testsuite/gdb.compile/cp-array-decay.exp
new file mode 100644 (file)
index 0000000..8baeef4
--- /dev/null
+++ b/gdb/testsuite/gdb.compile/cp-array-decay.exp
@@ -0,0 +1,50 @@
+# Copyright 2017 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Test whether c++compile is not decaying arrays into pointers.
+
+load_lib compile-support.exp
+
+standard_testfile .cc
+
+if {[skip_cplus_tests]} {
+    untested "skipping C++ tests"
+    return
+}
+
+if {[prepare_for_testing $testfile $testfile $srcfile \
+        {debug nowarnings c++}]} {
+    return -1
+}
+
+if {![runto_main]} {
+    untested "could not run to main"
+    return -1
+}
+
+if {[skip_compile_feature_tests]} {
+    untested \
+       "compile command not supported (could not find libcc1 shared library?)"
+    return -1
+}
+
+gdb_breakpoint [gdb_get_line_number "break here" $srcfile]
+gdb_continue_to_breakpoint "testing location"
+
+gdb_test "compile print integers" " = \\{0, 0, 0, 0, 0, 0, 0, 0, 0, 0\\}"
+
+gdb_test "compile print strings" " = \\{$hex \"hello\", $hex \"hello\", \
+$hex \"hello\", $hex \"hello\", $hex \"hello\", $hex \"hello\", \
+$hex \"hello\", $hex \"hello\", $hex \"hello\", $hex \"hello\"\\}"