From c98ee71b7c85789e04d078b51582abb90bb20680 Mon Sep 17 00:00:00 2001
From: Doug Evans <dje@google.com>
Date: Fri, 30 Jul 2010 20:12:00 +0000
Subject: [PATCH] 	* gdb.cp/temargs.exp: For new tests that require newer
 gccs, 	xfail them when run with older gccs.

---
 gdb/testsuite/ChangeLog          |  3 +++
 gdb/testsuite/gdb.cp/temargs.exp | 39 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 183b277..cbcf0a9 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2010-07-30  Doug Evans  <dje@google.com>
 
+	* gdb.cp/temargs.exp: For new tests that require newer gccs,
+	xfail them when run with older gccs.
+
 	* lib/gdb.exp (build_executable): Forward "c++" option to
 	get_compiler_info.
 
diff --git a/gdb/testsuite/gdb.cp/temargs.exp b/gdb/testsuite/gdb.cp/temargs.exp
index 369fcce..54afe7e 100644
--- a/gdb/testsuite/gdb.cp/temargs.exp
+++ b/gdb/testsuite/gdb.cp/temargs.exp
@@ -36,15 +36,28 @@ if {![runto_main]} {
     return -1
 }
 
+# NOTE: prepare_for_testing calls get_compiler_info, which we need
+# for the test_compiler_info calls.
+# gcc 4.4 and earlier don't emit enough info for some of our template tests.
+verbose -log "compiler_info: $compiler_info"
+set have_older_template_gcc 0
+if {[test_compiler_info {gcc-[0-3]-*}]
+    || [test_compiler_info {gcc-4-[0-4]-*}]} {
+    set have_older_template_gcc 1
+}
+
 set line [gdb_get_line_number "Breakpoint 1" $srcfile]
 gdb_test "break $srcfile:$line" "Breakpoint 2.*" \
     "set first breakpoint for temargs"
+
 set line [gdb_get_line_number "Breakpoint 2" $srcfile]
 gdb_test "break $srcfile:$line" "Breakpoint 3.*" \
     "set second breakpoint for temargs"
+
 set line [gdb_get_line_number "Breakpoint 3" $srcfile]
 gdb_test "break $srcfile:$line" "Breakpoint 4.*" \
     "set third breakpoint for temargs"
+
 set line [gdb_get_line_number "Breakpoint 4" $srcfile]
 gdb_test "break $srcfile:$line" "Breakpoint 5.*" \
     "set fourth breakpoint for temargs"
@@ -55,9 +68,15 @@ gdb_test "break $srcfile:$line" "Breakpoint 5.*" \
 
 gdb_continue_to_breakpoint "continue to first breakpoint for temargs"
 
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "ptype T" "double" "test type of T in base_m"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "print I" " = 23" "test value of I in base_m"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "print P == &a_global" " = true" "test value of P in base_m"
+
 setup_kfail "gcc/41736" *-*-*
 gdb_test "print MP" "&S::f" "test value of MP in base_m"
 
@@ -69,11 +88,17 @@ gdb_continue_to_breakpoint "continue to second breakpoint for temargs"
 
 setup_kfail "gcc/45024" *-*-*
 gdb_test "ptype T" "long" "test type of T in inner_m"
+
 setup_kfail "gcc/45024" *-*-*
 gdb_test "print I" " = 47" "test value of I in inner_m"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "print P == &a_global" " = true" "test value of P in inner_m"
+
 setup_kfail "gcc/41736" *-*-*
 gdb_test "print MP" "&S::f" "test value of MP in inner_m"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "whatis Z" "float" "test type of Z in inner_m"
 
 #
@@ -82,9 +107,15 @@ gdb_test "whatis Z" "float" "test type of Z in inner_m"
 
 gdb_continue_to_breakpoint "continue to third breakpoint for temargs"
 
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "ptype T" "unsigned char" "test type of T in func"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "print I" " = 91" "test value of I in func"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "print P == &a_global" " = true" "test value of P in func"
+
 setup_kfail "gcc/41736" *-*-*
 gdb_test "print MP" "&S::f" "test value of MP in func"
 
@@ -94,9 +125,17 @@ gdb_test "print MP" "&S::f" "test value of MP in func"
 
 gdb_continue_to_breakpoint "continue to fourth breakpoint for temargs"
 
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "ptype T" "double" "test type of T in templ_m"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "print I" " = 23" "test value of I in templ_m"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "print P == &a_global" " = true" "test value of P in templ_m"
+
 setup_kfail "gcc/41736" *-*-*
 gdb_test "print MP" "&S::f" "test value of MP in templ_m"
+
+if $have_older_template_gcc { setup_xfail "*-*-*" }
 gdb_test "whatis Q" "short" "test type of Q in templ_m"
-- 
2.7.4