Stumbled upon a very inefficient construct by mistake...

Enter it as a regression test, so it can get fixed.

2 files changed, 219 insertions, 2 deletions

diff --git a/regress/usr.bin/make/Makefile b/regress/usr.bin/make/Makefile
index 4068f1e2571..4adb262be68 100644
--- a/regress/usr.bin/make/Makefile
+++ b/regress/usr.bin/make/Makefile
@@ -1,7 +1,7 @@
-# $OpenBSD: Makefile,v 1.15 2002/02/26 16:54:47 espie Exp $
+# $OpenBSD: Makefile,v 1.16 2002/04/16 12:00:14 espie Exp $
 
 # We don't pass t7, t13, t14...
-REGRESSTARGETS=t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t14 t15
+REGRESSTARGETS=t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t14 t15 t16
 
 MALLOC_OPTIONS?=AZJ
 t1: t1.out
@@ -72,6 +72,9 @@ t15:
 	touch t15file
 	cd ${.CURDIR} && ulimit -t 2 && env -i PATH=${PATH} MALLOC_OPTIONS=${MALLOC_OPTIONS} ${MAKE} -r -f mk15 2>/dev/null
 
+t16:
+	cd ${.CURDIR} && env -i PATH=${PATH} MALLOC_OPTIONS=${MALLOC_OPTIONS} ${MAKE} -r -f mk16
+
 z.a:
 	touch $@
 
diff --git a/regress/usr.bin/make/mk16 b/regress/usr.bin/make/mk16
new file mode 100644
index 00000000000..92518bfc96e
--- /dev/null
+++ b/regress/usr.bin/make/mk16
@@ -0,0 +1,214 @@
+# $OpenBSD: mk16,v 1.1 2002/04/16 12:00:14 espie Exp $
+
+all:
+	@echo "That's all folks"
+
+# This kind of construction is very inefficient currently
+
+.for i in 1 2 3 4 5
+    perlfork 1			pod/perlfork.pod \
+    perlform 1			pod/perlform.pod \
+    perlfunc 1			pod/perlfunc.pod \
+    perlguts 1			pod/perlguts.pod \
+    perlhack 1			pod/perlhack.pod \
+    perlhist 1			pod/perlhist.pod \
+    perlintern 1		pod/perlintern.pod \
+    perlipc 1			pod/perlipc.pod \
+    perllexwarn 1		pod/perllexwarn.pod \
+    perllocale 1		pod/perllocale.pod \
+    perllol 1			pod/perllol.pod \
+    perlmod 1			pod/perlmod.pod \
+    perlmodinstall 1		pod/perlmodinstall.pod \
+    perlmodlib 1		pod/perlmodlib.pod \
+    perlnewmod 1		pod/perlnewmod.pod \
+    perlnumber 1		pod/perlnumber.pod \
+    perlobj 1			pod/perlobj.pod \
+    perlop 1			pod/perlop.pod \
+    perlopentut 1		pod/perlopentut.pod \
+    perlpod 1			pod/perlpod.pod \
+    perlport 1			pod/perlport.pod \
+    perlre 1			pod/perlre.pod \
+    perlref 1			pod/perlref.pod \
+    perlreftut 1		pod/perlreftut.pod \
+    perlrequick	1		pod/perlrequick.pod \
+    perlretut 1			pod/perlretut.pod \
+    perlrun 1			pod/perlrun.pod \
+    perlsec 1			pod/perlsec.pod \
+    perlstyle 1			pod/perlstyle.pod \
+    perlsub 1			pod/perlsub.pod \
+    perlsyn 1			pod/perlsyn.pod \
+    perlthrtut 1		pod/perlthrtut.pod \
+    perltie 1			pod/perltie.pod \
+    perltoc 1			pod/perltoc.pod \
+    perltodo 1			pod/perltodo.pod \
+    perltoot 1			pod/perltoot.pod \
+    perltootc 1			pod/perltootc.pod \
+    perltrap 1			pod/perltrap.pod \
+    perlunicode 1		pod/perlunicode.pod \
+    perlvar 1			pod/perlvar.pod \
+    perlxs 1			pod/perlxs \
+    perlxstut 1			pod/perlxstut \
+    pl2pm 1			utils/pl2pm \
+    pod2html 1			pod/pod2html \
+    pod2man 1			pod/pod2man \
+    pod2text 1			pod/pod2text \
+    pod2usage 1			pod/pod2usage \
+    podchecker 1		pod/podchecker \
+    podselect 1			pod/podselect \
+    pstruct 1			utils/pstruct \
+    s2p	1			x2p/s2p \
+    splain 1			utils/splain \
+    xsubpp 1			lib/ExtUtils/xsubpp \
+    AnyDBM_File	3p		lib/AnyDBM_File.pm \
+    AnyDBM_File 3p		lib/AnyDBM_File.pm \
+    AutoLoader 3p		lib/AutoLoader.pm \
+    AutoSplit 3p		lib/AutoSplit.pm \
+    B 3p			ext/B/B.pm \
+    B::Asmdata 3p		ext/B/B/Asmdata.pm \
+    B::Assembler 3p		ext/B/B/Assembler.pm \
+    B::Bblock 3p		ext/B/B/Bblock.pm \
+    B::Bytecode 3p		ext/B/B/Bytecode.pm \
+    B::C 3p			ext/B/B/C.pm \
+    B::CC 3p			ext/B/B/CC.pm \
+    B::Concise 3p		ext/B/B/Concise.pm \
+    B::Debug 3p			ext/B/B/Debug.pm \
+    B::Deparse 3p		ext/B/B/Deparse.pm \
+    B::Disassembler 3p		ext/B/B/Disassembler.pm \
+    B::Lint 3p			ext/B/B/Lint.pm \
+    B::Showlex 3p		ext/B/B/Showlex.pm \
+    B::Stackobj 3p		ext/B/B/Stackobj.pm \
+    B::Terse 3p			ext/B/B/Terse.pm \
+    B::Xref 3p			ext/B/B/Xref.pm \
+    Benchmark 3p		lib/Benchmark.pm \
+    ByteLoader 3p		ext/ByteLoader/ByteLoader.pm \
+    CGI 3p			lib/CGI.pm \
+    CGI::Apache 3p		lib/CGI/Apache.pm \
+    CGI::Carp 3p		lib/CGI/Carp.pm \
+    CGI::Cookie 3p		lib/CGI/Cookie.pm \
+    CGI::Fast 3p		lib/CGI/Fast.pm \
+    CGI::Pretty 3p		lib/CGI/Pretty.pm \
+    CGI::Push 3p		lib/CGI/Push.pm \
+    CGI::Switch 3p		lib/CGI/Switch.pm \
+    CGI::Util 3p		lib/CGI/Util.pm \
+    CPAN 3p			lib/CPAN.pm \
+    CPAN::FirstTime 3p		lib/CPAN/FirstTime.pm \
+    CPAN::Nox 3p		lib/CPAN/Nox.pm \
+    Carp 3p			lib/Carp.pm \
+    Carp::Heavy 3p		lib/Carp/Heavy.pm \
+    Class::Struct 3p		lib/Class/Struct.pm \
+    Config 3p			lib/Config.pm \
+    Cwd 3p			lib/Cwd.pm \
+    DB 3p			lib/DB.pm \
+    DB_File 3p			ext/DB_File/DB_File.pm \
+    Data::Dumper 3p		ext/Data/Dumper/Dumper.pm \
+    Devel::DProf 3p		ext/Devel/DProf/DProf.pm \
+    Devel::Peek 3p		ext/Devel/Peek/Peek.pm \
+    Devel::SelfStubber 3p	lib/Devel/SelfStubber.pm \
+    DirHandle 3p		lib/DirHandle.pm \
+    Dumpvalue 3p		lib/Dumpvalue.pm \
+    DynaLoader 3p		ext/DynaLoader/XSLoader_pm.PL \
+    English 3p			lib/English.pm \
+    Env 3p			lib/Env.pm \
+    Errno 3p			ext/Errno/Errno_pm.PL \
+    Exporter 3p			lib/Exporter.pm \
+    Exporter::Heavy 3p		lib/Exporter/Heavy.pm \
+    ExtUtils::Command 3p	lib/ExtUtils/Command.pm \
+    ExtUtils::Embed 3p		lib/ExtUtils/Embed.pm \
+    ExtUtils::Install 3p	lib/ExtUtils/Install.pm \
+    ExtUtils::Installed 3p	lib/ExtUtils/Installed.pm \
+    ExtUtils::Liblist 3p	lib/ExtUtils/Liblist.pm \
+    ExtUtils::MM_Unix 3p	lib/ExtUtils/MM_Unix.pm \
+    ExtUtils::MakeMaker 3p	lib/ExtUtils/MakeMaker.pm \
+    ExtUtils::Manifest 3p	lib/ExtUtils/Manifest.pm \
+    ExtUtils::Miniperl 3p	lib/ExtUtils/Miniperl.pm \
+    ExtUtils::Mkbootstrap 3p	lib/ExtUtils/Mkbootstrap.pm \
+    ExtUtils::Mksymlists 3p	lib/ExtUtils/Mksymlists.pm \
+    ExtUtils::Packlist 3p	lib/ExtUtils/Packlist.pm \
+    ExtUtils::testlib 3p	lib/ExtUtils/testlib.pm \
+    Fatal 3p			lib/Fatal.pm \
+    Fcntl 3p			lib/Fcntl.pm \
+    File::Basename 3p		lib/File/Basename.pm \
+    File::CheckTree 3p		lib/File/CheckTree.pm \
+    File::Compare 3p		lib/File/Compare.pm \
+    File::Copy 3p		lib/File/Copy.pm \
+    File::DosGlob 3p		lib/File/DosGlob.pm \
+    File::Find 3p		lib/File/Find.pm \
+    File::Glob 3p		lib/File/Glob.pm \
+    File::Path 3p		lib/File/Path.pm \
+    File::Spec 3p		lib/File/Spec.pm \
+    File::Spec::Functions 3p	lib/File/Spec/Functions.pm \
+    File::Spec::Unix 3p		lib/File/Spec/Unix.pm \
+    File::Temp 3p		lib/File/Temp.pm \
+    File::stat 3p		lib/File/stat.pm \
+    FileCache 3p		lib/FileCache.pm \
+    FileHandle 3p		lib/FileHandle.pm \
+    FindBin 3p			lib/FindBin.pm \
+    Getopt::Long 3p		lib/Getopt/Long.pm \
+    Getopt::Std 3p		lib/Getopt/Std.pm \
+    I18N::Collate 3p		lib/I18N/Collate.pm \
+    IO 3p			lib/IO.pm \
+    IO::Dir 3p			lib/IO/Dir.pm \
+    IO::File 3p			lib/IO/File.pm \
+    IO::Handle 3p		lib/IO/Handle.pm \
+    IO::Pipe 3p			lib/IO/Pipe.pm \
+    IO::Poll 3p			lib/IO/Poll.pm \
+    IO::Seekable 3p		lib/IO/Seekable.pm \
+    IO::Select 3p		lib/IO/Select.pm \
+    IO::Socket 3p		lib/IO/Socket.pm \
+    IO::Socket::INET 3p		lib/IO/Socket/INET.pm \
+    IO::Socket::UNIX 3p		lib/IO/Socket/UNIX.pm \
+    IPC::Msg 3p			lib/IPC/Msg.pm \
+    IPC::Open2 3p		lib/IPC/Open2.pm \
+    IPC::Open3 3p		lib/IPC/Open3.pm \
+    IPC::Semaphore 3p		lib/IPC/Semaphore.pm \
+    IPC::SysV 3p		lib/IPC/SysV.pm \
+    Math::BigFloat 3p		lib/Math/BigFloat.pm \
+    Math::BigInt 3p		lib/Math/BigInt.pm \
+    Math::Complex 3p		lib/Math/Complex.pm \
+    Math::Trig 3p		lib/Math/Trig.pm \
+    NDBM_File 3p		lib/NDBM_File.pm \
+    Net::Ping 3p		lib/Net/Ping.pm \
+    Net::hostent 3p		lib/Net/hostent.pm \
+    Net::netent 3p		lib/Net/netent.pm \
+    Net::protoent 3p		lib/Net/protoent.pm \
+    Net::servent 3p		lib/Net/servent.pm \
+    O 3p			lib/O.pm \
+    ODBM_File 3p		lib/ODBM_File.pm \
+    Opcode 3p			lib/Opcode.pm \
+    POSIX 3p			lib/POSIX.pod \
+    Pod::Checker 3p		lib/Pod/Checker.pm \
+    Pod::Find 3p		lib/Pod/Find.pm \
+    Pod::Html 3p		lib/Pod/Html.pm \
+    Pod::InputObjects 3p	lib/Pod/InputObjects.pm \
+    Pod::LaTeX 3p		lib/Pod/LaTeX.pm \
+    Pod::Man 3p			lib/Pod/Man.pm \
+    Pod::ParseUtils 3p		lib/Pod/ParseUtils.pm \
+    Pod::Parser 3p		lib/Pod/Parser.pm \
+    Pod::Plainer 3p		lib/Pod/Plainer.pm \
+    Pod::Select 3p		lib/Pod/Select.pm \
+    Pod::Text 3p		lib/Pod/Text.pm \
+    Pod::Text::Color 3p		lib/Pod/Text/Color.pm \
+    Pod::Text::Overstrike 3p	lib/Pod/Text/Overstrike.pm \
+    Pod::Text::Termcap 3p	lib/Pod/Text/Termcap.pm \
+    Pod::Usage 3p		lib/Pod/Usage.pm \
+    SDBM_File 3p		lib/SDBM_File.pm \
+    Safe 3p			lib/Safe.pm \
+    Search::Dict 3p		lib/Search/Dict.pm \
+    SelectSaver 3p		lib/SelectSaver.pm \
+    SelfLoader 3p		lib/SelfLoader.pm \
+    Shell 3p			lib/Shell.pm \
+    Socket 3p			lib/Socket.pm \
+    Symbol 3p			lib/Symbol.pm \
+    Sys::Hostname 3p		lib/Sys/Hostname.pm \
+    Sys::Syslog 3p		lib/Sys/Syslog.pm \
+    Term::ANSIColor 3p		lib/Term/ANSIColor.pm \
+    Term::Cap 3p		lib/Term/Cap.pm \
+    Term::Complete 3p		lib/Term/Complete.pm \
+    Term::ReadLine 3p		lib/Term/ReadLine.pm \
+    Test 3p			lib/Test.pm \
+    Test::Harness 3p		lib/Test/Harness.pm \
+    Text::Abbrev 3p		lib/Text/Abbrev.pm \
+    Text::ParseWords 3p		lib/Text/ParseWords.pm \
+    Text::Soundex 3p		lib/Text/Soundex.pm
+
+.endfor