reg...@john-home:~/volatile/bugs/tmp271$ current-gcc -O2 -c small.c small.c: In function func_70: small.c:46:1: internal compiler error: in load_assign_lhs_subreplacements, at tree-sra.c:2459 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.
reg...@john-home:~/volatile/bugs/tmp271$ cat small.c struct S0 { }; struct S1 { unsigned f0:27; const unsigned:0; }; struct S2 { unsigned f2:1; }; unsigned char g_4[1][8][3][1][1][1]; unsigned char *g_17; unsigned char **g_16[1][10][7]; struct S2 g_35 = { 0 }; struct S2 *g_34 = &g_35; struct S1 func_86 (unsigned char p_87, struct S2 **p_89) { struct S1 l_92[6][8][1][1] = { 16143586 } ; return l_92[0][0][0][0]; } void func_28 (struct S1 p_30, const struct S1 p_32) { } void func_70 (unsigned char p_72) { unsigned char *const *l_93 = &g_17; struct S2 **l_94; unsigned char *const *l_97 = &g_17; func_28 (func_86 (p_72, 0), func_86 (p_72, &g_34)); } reg...@john-home:~/volatile/bugs/tmp271$ current-gcc -v Using built-in specs. COLLECT_GCC=current-gcc COLLECT_LTO_WRAPPER=/home/regehr/z/tmp/gcc-r157079-install/libexec/gcc/i686-pc-linux-gnu/4.5.0/lto-wrapper Target: i686-pc-linux-gnu Configured with: ../configure --with-libelf=/usr/local --enable-lto --prefix=/home/regehr/z/tmp/gcc-r157079-install --program-prefix=r157079- --enable-languages=c,c++ Thread model: posix gcc version 4.5.0 20100226 (experimental) (GCC) -- Summary: ice in load_assign_lhs_subreplacements, at tree- sra.c:2459 Product: gcc Version: 4.5.0 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: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43191