Seen in avr-gcc 4.3.3 built using the script that comes with FemtoOS 0.88.
[reg...@babel tmp40]$ avr-gcc -mmcu=atmega128 small.c
small.c:3: internal compiler error: in start_function, at c-decl.c:6248
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[reg...@babel tmp40]$ cat small.c
__attribute ((signal))
void __vector_15 (void)
{
}
[reg...@babel tmp40]$ avr-gcc -v
Using built-in specs.
Target: avr
Configured with: ../gcc-4.3.3/configure --prefix=/home/regehr/z/avr-gcc-test
--target=avr --with-gnu-ld --with-gnu-as --enable-languages=c,c++ --disable-nls
--disable-libssp --with-dwarf2
Thread model: single
gcc version 4.3.3 (GCC)
--
Summary: avr-gcc ICE in start_function, at c-decl.c:6248
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: regehr at cs dot utah dot edu
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: avr
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39307
