http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51737
Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2012-01-03 Component|c++ |tree-optimization Known to work| |4.5.3 Target Milestone|--- |4.6.3 Summary|g++ crashes (internal |[4.6 Regression] g++ |compiler error: |crashes (internal compiler |Segmentation fault) when |error: Segmentation fault) |compiling quickbook |when compiling quickbook Ever Confirmed|0 |1 --- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-03 09:21:16 UTC --- Confirmed (on the unreduced testcase) with 4.6.2 and the 4.6 branch head with just -O2: #0 0x0000000000b7f910 in delete_unreachable_blocks_update_callgraph ( id=<optimized out>) at /space/rguenther/src/svn/gcc-4_6-branch/gcc/tree-inline.c:4972 #1 0x0000000000b8d2b0 in tree_function_versioning (old_decl=0x7ffff1f18f00, new_decl=0x7ffff0649600, tree_map=<optimized out>, update_clones=128 '\200', args_to_skip=<optimized out>, blocks_to_copy=0x0, new_entry=0x0) at /space/rguenther/src/svn/gcc-4_6-branch/gcc/tree-inline.c:5232 #2 0x0000000000b52961 in save_inline_function_body (node=0x7ffff1886160) at /space/rguenther/src/svn/gcc-4_6-branch/gcc/cgraphunit.c:2149 #3 0x0000000000b5c1f8 in inline_transform (node=0x7ffff1886160) at /space/rguenther/src/svn/gcc-4_6-branch/gcc/ipa-inline.c:2122 #4 inline_transform (node=0x7ffff1886160) at /space/rguenther/src/svn/gcc-4_6-branch/gcc/ipa-inline.c:2108 does not reproduce on trunk, but that may be artificial. Re-reducing.