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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ok, I think I got it; it's src/thread.c. The following build succeeds: git clean -xdf git checkout emacs-29.0.92 ./autogen.sh ./configure --with-native-compilation cd src make temacs.exe make thread.o -W thread.c CFLAGS=3D'-g3 -O2 -gdwarf-2 -fno-optimize-sibling= -calls' cd .. make I first compile temacs.exe with CFLAGS at default and then rebuild thread.c with -fno-optimize-sibling-calls. This way thread.c should be the only file built with the flag. Conversely, compiling with -fno-optimiize-sibling-calls everywhere *but* thread.c fails: git clean -xdf git checkout emacs-29.0.92 ./autogen.sh ./configure --with-native-compilation cd src make temacs.exe CFLAGS=3D'-g3 -O2 -gdwarf-2 -fno-optimize-sibling-calls' make thread.o -W thread.c cd .. make CFLAGS=3D'-g3 -O2 -gdwarf-2 -fno-optimize-sibling-calls' > Using make -j1 (or even better make bootstrap -j1) should make it > reproducible. > make LD_SWITCH_SYSTEM=3D'-Wl,--disable-dynamicbase' > > Maybe this will make the bug less unpredictable, who knows? Tried them, the failing lisp files still seem random. --_000_AS4PR10MB61108567F4C5DB0B462F3EC3E324AAS4PR10MB6110EURP_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Ok, I think I got it; it's src/thread.c. The followi= ng build succeeds:

 

git clean -xdf

git checkout emacs-29.0.92

./autogen.sh

./configure --with-native-compilation

cd src

make temacs.exe

make thread.o -W thread.c CFLAGS=3D'-g3 -O2 -gdwarf-= 2 -fno-optimize-sibling-calls'

cd ..

make

 

I first compile temacs.exe with CFLAGS at default an= d then rebuild

thread.c with -fno-optimize-sibling-calls. This way = thread.c should be

the only file built with the flag. Conversely, compi= ling with

-fno-optimiize-sibling-calls everywhere *but* thread= .c fails:

 

git clean -xdf

git checkout emacs-29.0.92

./autogen.sh

./configure --with-native-compilation

cd src

make temacs.exe CFLAGS=3D'-g3 -O2 -gdwarf-2 -fno-opt= imize-sibling-calls'

make thread.o -W thread.c

cd ..

make CFLAGS=3D'-g3 -O2 -gdwarf-2 -fno-optimize-sibli= ng-calls'

 

> Using make -j1 (or even better make bootstrap -= j1) should make it

> reproducible.

>   make LD_SWITCH_SYSTEM=3D'-Wl,--disa= ble-dynamicbase'

>

> Maybe this will make the bug less unpredictable= , who knows?

 

Tried them, the failing lisp files still seem random= .

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