$ cat pr43188.c int *__attribute__((__aligned__(16))) *p; int main (void) { return **p; }
$ gcc -O3 -march=pentium3 pr43188.c pr43188.c: In function 'main': pr43188.c:3:5: error: alignment of array elements is greater than element size -- Summary: [4.5 Regression] "error: alignment of array elements is greater than element size" Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: d dot g dot gorbachev at gmail dot com GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43188