I have reported this before and tried a bit to debug without success. Very annoying. Only useful info I can give is that is does not happen on GCC compiled on windows, but everywhere else. Might suggest uninitialized memory.
lør. 12. feb. 2022, 07:20 skrev Christian Jullien <eli...@orange.fr>: > Important precision, I reproduce this issue with mob including on RPi > arm32; > $ tcc foo.c > foo.c:8: error: internal compiler error > tccgen.c:7728: in init_assert(): initializer overflow > > > -----Original Message----- > From: Tinycc-devel [mailto:tinycc-devel-bounces+eligis= > orange...@nongnu.org] On Behalf Of Arthur Williams via Tinycc-devel > Sent: Saturday, February 12, 2022 03:33 > To: tinycc-devel@nongnu.org > Cc: Arthur Williams > Subject: [Tinycc-devel] initializer overflow with arrays on implicit size > > Greetings, > > Found a strange error when trying to build a program with tcc. > The error is > ``` > test.c:8: error: internal compiler error > tccgen.c:7728: in init_assert(): initializer overflow > ``` > And here is a minimal example of how to repro it. > > ``` > #include <stdio.h> > struct A { > char a; > char b; > }; > > int main() { > struct A a[] = { (struct A){1}, (struct A){2}, }; > printf("%d %d\n", a[0].a, a[0].b); > printf("%d %d\n", a[1].a, a[1].b); > return 0; > } > ``` > (printing isn't need to repro the problem) > > Took a glance at the code that was generating the error message: > `init_assert`. The commit message for that function seems to imply that > is was temporary and removing this function avoid the error and allows > the code to compile. Tests pass and the output is also as expected. > Is there a reason to keep this function around? > > Playing around with the function removed and while the code compiles > find, running with `tcc -run` segfaults. So I imagine the real fix is a > bit less trivial that what I had thought. > > > Arthur > > _______________________________________________ > Tinycc-devel mailing list > Tinycc-devel@nongnu.org > https://lists.nongnu.org/mailman/listinfo/tinycc-devel > > > _______________________________________________ > Tinycc-devel mailing list > Tinycc-devel@nongnu.org > https://lists.nongnu.org/mailman/listinfo/tinycc-devel >
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