http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60595
Bug ID: 60595
Summary: Compiler error when computing default destructor thunk
within virtual inheritance hierarchy
Product: gcc
Version: 4.8.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: xgue...@tower-research.com
Created attachment 32396
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32396&action=edit
Repeatble source
- g++48 -std=c++11 -o bug bug.cpp
bug.cpp:20:11: internal compiler error: in use_thunk, at cp/method.c:338
virtual ~B() = default;
^
0x5fc344 use_thunk(tree_node*, bool)
../../gcc-4.8.2/gcc/cp/method.c:338
0x60729c emit_associated_thunks(tree_node*)
../../gcc-4.8.2/gcc/cp/semantics.c:3774
0x607557 expand_or_defer_fn(tree_node*)
../../gcc-4.8.2/gcc/cp/semantics.c:3901
0x61ee6d maybe_clone_body(tree_node*)
../../gcc-4.8.2/gcc/cp/optimize.c:428
0x60734d expand_or_defer_fn_1(tree_node*)
../../gcc-4.8.2/gcc/cp/semantics.c:3825
0x607528 expand_or_defer_fn(tree_node*)
../../gcc-4.8.2/gcc/cp/semantics.c:3895
0x5fd4bf synthesize_method(tree_node*)
../../gcc-4.8.2/gcc/cp/method.c:809
0x5a9f9a mark_used(tree_node*)
../../gcc-4.8.2/gcc/cp/decl2.c:4677
0x556afc build_over_call
../../gcc-4.8.2/gcc/cp/call.c:7055
0x553fa8 build_new_method_call_1
../../gcc-4.8.2/gcc/cp/call.c:7715
0x553fa8 build_new_method_call(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**, tree_node*, int, tree_node**, int)
../../gcc-4.8.2/gcc/cp/call.c:7785
0x55484e build_special_member_call(tree_node*, tree_node*, vec<tree_node*,
va_gc, vl_embed>**, tree_node*, int, int)
../../gcc-4.8.2/gcc/cp/call.c:7352
0x5f4b7f expand_cleanup_for_base
../../gcc-4.8.2/gcc/cp/init.c:1217
0x5f90b1 expand_cleanup_for_base
../../gcc-4.8.2/gcc/cp/init.c:1112
0x5f90b1 emit_mem_initializers(tree_node*)
../../gcc-4.8.2/gcc/cp/init.c:1097
0x5fd856 synthesize_method(tree_node*)
../../gcc-4.8.2/gcc/cp/method.c:796
0x5a9f9a mark_used(tree_node*)
../../gcc-4.8.2/gcc/cp/decl2.c:4677
0x556afc build_over_call
../../gcc-4.8.2/gcc/cp/call.c:7055
0x553fa8 build_new_method_call_1
../../gcc-4.8.2/gcc/cp/call.c:7715
0x553fa8 build_new_method_call(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**, tree_node*, int, tree_node**, int)
../../gcc-4.8.2/gcc/cp/call.c:7785
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
================
- g++48 -v
Using built-in specs.
COLLECT_GCC=/apps/infra/toolset/opteron_rhel6/gcc-4.8.2/bin/g++
COLLECT_LTO_WRAPPER=/apps/infra/toolset/opteron_rhel6/gcc-4.8.2/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.8.2/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-4.8.2/configure
--prefix=/spare/local/environbuild-infra/gcc/4.8.2
Thread model: posix
gcc version 4.8.2 (GCC)
