http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60310
Bug ID: 60310 Summary: internal compiler error due to excessive alignment Product: gcc Version: 4.8.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: mikulas at artax dot karlin.mff.cuni.cz Host: arm-linux-gnueabihf Target: arm-linux-gnueabihf Build: arm-linux-gnueabihf When compiling this piece of code with or without optimizations, gcc crashes with an internal error: int f(void) { struct { __attribute__((aligned(1 << 28)))double a; } x; return 0; } alignof.c: In function 'f': alignof.c:3:9: internal compiler error: in round_up_loc, at fold-const.c:16748 struct { __attribute__((aligned(1 << 28)))double a; } x; ^ Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-4.8/README.Bugs> for instructions. Preprocessed source stored into /tmp/ccQIqkJl.out file, please attach this to your bugreport. I reproduced the bug on gcc-4.6.4, gcc-4.7.2, gcc-4.7.3, gcc-4.8.2.