testcase produces internal compiler error (SegFault). Error occurs with trunk rev. 142153 ... 142709. Rev. 142038 was ok.
$ gcc-4.4 -O2 -c tst.c tst.c: In function 'foo1': tst.c:26: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Exit 1 /* Source: */ typedef long unsigned int size_t; extern void *memcpy (void *__restrict __dest, __const void *__restrict __src, size_t __n) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 2))); typedef struct { unsigned short a [100]; unsigned short v [20]; unsigned short b [100]; } str_t; extern int foo2 ( int *n ); extern unsigned short bar[]; void foo1 (void) { str_t h; unsigned short * const h_ptr = (unsigned short *) &h; unsigned short h_k[200]; int x; memcpy( h_ptr, h_k, 100 ); memcpy( h.v, bar, 40 ); foo2 (&x); } -- Summary: internal compiler error: Segmentation fault Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: regression AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: holger dot hopp at sap dot com GCC build triplet: x86_64-unknown-linux-gnu GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38505
