diff options
| -rw-r--r-- | gdb/testsuite/gdb.base/align.exp.tcl | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/gdb/testsuite/gdb.base/align.exp.tcl b/gdb/testsuite/gdb.base/align.exp.tcl index 6a75a14..550afe1 100644 --- a/gdb/testsuite/gdb.base/align.exp.tcl +++ b/gdb/testsuite/gdb.base/align.exp.tcl @@ -94,12 +94,15 @@ proc prepare_test_source_file { lang } { puts $outfile "DEF_WITH_1_STATIC ($utype, $uinner);" set joined "static_${utype}_x_${uinner}" puts $outfile "struct align_pair_$joined item_${joined};" + puts $outfile "$utype align_pair_${joined}::one = 0;" puts $outfile "unsigned a_${joined}" puts $outfile " = ${align_func} (struct align_pair_${joined});" puts $outfile "DEF_WITH_2_STATIC ($utype, $uinner);" set joined "static_${utype}_x_static_${uinner}" puts $outfile "struct align_pair_$joined item_${joined};" + puts $outfile "$utype align_pair_${joined}::one = 0;" + puts $outfile "$uinner align_pair_${joined}::two = 0;" puts $outfile "unsigned a_${joined}" puts $outfile " = ${align_func} (struct align_pair_${joined});" } @@ -107,12 +110,53 @@ proc prepare_test_source_file { lang } { } # Epilogue. - puts $outfile { + puts $outfile " int main() { - return 0; + " + + # Clang with LTO garbage collects unused global variables, even at + # -O0. Likewise AIX GCC. Add uses to all global variables to + # prevent it. + + if { $lang == "c" } { + puts $outfile "a_void++;" + } + + # First, add uses for single items. + foreach type $typelist { + set utype [join [split $type] _] + puts $outfile "item_$utype++;" + if { $lang == "c" } { + puts $outfile "a_$utype++;" + } + } + + # Now add uses for all pairs. + foreach type $typelist { + set utype [join [split $type] _] + foreach inner $typelist { + set uinner [join [split $inner] _] + set joined "${utype}_x_${uinner}" + puts $outfile "item_${joined}.one++;" + puts $outfile "a_${joined}++;" + + if { $lang == "c++" } { + set joined "static_${utype}_x_${uinner}" + puts $outfile "item_${joined}.one++;" + puts $outfile "a_${joined}++;" + + set joined "static_${utype}_x_static_${uinner}" + puts $outfile "item_${joined}.one++;" + puts $outfile "a_${joined}++;" + } } } + puts $outfile " + return 0; + } + " + close $outfile return $filename @@ -127,6 +171,7 @@ proc run_alignment_test { lang } { set flags {debug} if { "$lang" == "c++" } { + lappend flags "c++" lappend flags "additional_flags=-std=c++11" } standard_testfile $filename |