Mac OS X 10.1.4 started to consume 150MB+ virtual memory

while trying to -O3 optimize B.c.  (A bit weird since
10.1.4 used to work fine, and nothing has changed in
ext/B/..., but the overoptimization was repeatable.)

p4raw-id: //depot/perl@16699

diff --git a/MANIFEST b/MANIFEST
index 325fbe7..576dd73 100644 (file)
--- a/MANIFEST
+++ b/MANIFEST
@@ -85,10 +85,10 @@ ext/B/B/Xref.pm             Compiler Xref backend
 ext/B/C/C.xs           Compiler C backend external subroutines
 ext/B/C/Makefile.PL    Compiler C backend makefile writer
 ext/B/defsubs_h.PL     Generator for constant subroutines
+ext/B/hints/darwin.pl  Hints for named architecture
 ext/B/Makefile.PL      Compiler backend makefile writer
 ext/B/NOTES            Compiler backend notes
 ext/B/O.pm             Compiler front-end module (-MO=...)
-ext/B/t/o.t            See if O works
 ext/B/ramblings/cc.notes       Compiler ramblings: notes on CC backend
 ext/B/ramblings/curcop.runtime Compiler ramblings: notes on curcop use
 ext/B/ramblings/flip-flop      Compiler ramblings: notes on flip-flop
@@ -104,6 +104,7 @@ ext/B/t/concise.t   See whether B::Concise works
 ext/B/t/debug.t                See if B::Debug works
 ext/B/t/deparse.t      See if B::Deparse works
 ext/B/t/lint.t         See if B::Lint works
+ext/B/t/o.t            See if O works
 ext/B/t/showlex.t      See if B::ShowLex works
 ext/B/t/stash.t                See if B::Stash works
 ext/B/t/terse.t                See if B::Terse works
@@ -660,8 +661,8 @@ ext/threads/Makefile.PL             ithreads
 ext/threads/README             ithreads
 ext/threads/shared/Makefile.PL thread shared variables
 ext/threads/shared/queue.pm    Threadsafe queue.
-ext/threads/shared/semaphore.pm        Threadsafe semaphore
 ext/threads/shared/README      thread shared variables
+ext/threads/shared/semaphore.pm        Threadsafe semaphore
 ext/threads/shared/shared.pm   thread shared variables
 ext/threads/shared/shared.xs   thread shared variables
 ext/threads/shared/t/0nothread.t       Tests for basic shared array functionality.
@@ -2748,8 +2749,8 @@ wince/bin/pl2bat.pl                       WinCE port
 wince/bin/runperl.pl                   WinCE port
 wince/bin/search.pl                    WinCE port
 wince/cecopy-lib.pl                    WinCE port
-wince/compile.bat                      WinCE port
 wince/comp.pl                          WinCE port
+wince/compile.bat                      WinCE port
 wince/config.ce                                WinCE port
 wince/config_H.ce                      WinCE port
 wince/config_h.PL                      WinCE port
@@ -2770,10 +2771,10 @@ wince/registry.bat                      WinCE port
 wince/runperl.c                                WinCE port
 wince/splittree.pl                     WinCE port
 wince/win32.h                          WinCE port
+wince/win32io.c                                WinCE port
 wince/win32iop.h                       WinCE port
 wince/win32thread.c                    WinCE port
 wince/win32thread.h                    WinCE port
-wince/win32io.c                                WinCE port
 wince/wince.c                          WinCE port
 wince/wince.h                          WinCE port
 wince/wincesck.c                       WinCE port

diff --git a/ext/B/hints/darwin.pl b/ext/B/hints/darwin.pl
new file mode 100644 (file)
index 0000000..2f59a60
--- /dev/null
+++ b/ext/B/hints/darwin.pl
@@ -0,0 +1,2 @@
+# gcc -O3 (and -O2) get overly excited over B.c in MacOS X 10.1.4.
+$self->{OPTIMIZE} = '-O1';