ICE: duplicate symbol: `cannot add block to an imported function`

[matthiaskrgr]

./tests/ui/duplicate/dupe-symbols-8.rs

// build-fail
// error-pattern: entry symbol `main` declared multiple times
//
// See #67946.

#![allow(warnings)]
fn main() {
    extern "Rust" {
     fn main();
    }
    unsafe { main(); }
}

libgccjit.so: error: gcc_jit_function_new_block: cannot add block to an imported function
gcc_jit_block_get_function: NULL block
gcc_jit_function_get_param: NULL function
gcc_jit_param_as_rvalue: NULL param
gcc_jit_block_get_function: NULL block
gcc_jit_function_get_param: NULL function
gcc_jit_param_as_rvalue: NULL param
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL ltype
libgccjit.so: error: gcc_jit_context_new_array_access: NULL ptr
gcc_jit_lvalue_as_rvalue: NULL lvalue
libgccjit.so: error: gcc_jit_context_new_cast: NULL rvalue
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_type_dyncast_vector: NULL type
gcc_jit_type_unqualified: NULL type
gcc_jit_type_is_integral: NULL type
gcc_jit_type_is_pointer: NULL type
gcc_jit_type_dyncast_vector: NULL type
gcc_jit_type_unqualified: NULL type
gcc_jit_type_dyncast_vector: NULL type
gcc_jit_type_unqualified: NULL type
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_rvalue_get_type: NULL rvalue
libgccjit.so: error: gcc_jit_context_new_bitcast: NULL rvalue
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_type_dyncast_vector: NULL type
gcc_jit_type_unqualified: NULL type
gcc_jit_type_is_integral: NULL type
gcc_jit_type_is_pointer: NULL type
gcc_jit_type_dyncast_vector: NULL type
gcc_jit_type_unqualified: NULL type
gcc_jit_type_dyncast_vector: NULL type
gcc_jit_type_unqualified: NULL type
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_rvalue_get_type: NULL rvalue
libgccjit.so: error: gcc_jit_context_new_bitcast: NULL rvalue
gcc_jit_block_get_function: NULL block
libgccjit.so: error: gcc_jit_context_new_call_through_ptr: NULL argument 2 to fn_ptr: _ZN3std2rt10lang_start17h34ab963e95c33da1E (type: __int64_t)
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_function_new_local: NULL function
gcc_jit_block_add_assignment: NULL block
gcc_jit_lvalue_as_rvalue: NULL lvalue
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL rtype
gcc_jit_compatible_types: NULL ltype
libgccjit.so: error: gcc_jit_context_new_array_access: NULL ptr
gcc_jit_lvalue_as_rvalue: NULL lvalue
libgccjit.so: error: gcc_jit_context_new_cast: NULL rvalue
gcc_jit_block_get_function: NULL block
gcc_jit_function_get_return_type: NULL function_type
gcc_jit_rvalue_get_type: NULL rvalue
gcc_jit_compatible_types: NULL ltype
libgccjit.so: error: gcc_jit_context_new_cast: NULL rvalue
gcc_jit_block_end_with_return: NULL block
error: linking with `cc` failed: exit status: 1
  |
  = note: LC_ALL="C" PATH="/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/bin:/home/matthias/.cargo/bin:/home/matthias/bin:/usr/local/bin:/home/matthias/.cargo/bin:/home/matthias/.local/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/home/matthias/.dotnet/tools:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/usr/lib/rustup/bin:/var/lib/snapd/snap/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcN6hqp3/symbols.o" "dupe-symbols-8.dupe_symbols_8.f6e5da93116eab23-cgu.0.rcgu.o" "dupe-symbols-8.3izdz456beur02ue.rcgu.o" "-Wl,--as-needed" "-L" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-cb92768712601a78.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-64fdea3f4b4483a9.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-7131d4e480a39cf1.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-5b0b0d3b7d32a280.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ecb3c4cbccea6ca3.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-21489f6fc83bcf9c.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-4235769adaec73dc.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-39978a3c90cbbb03.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2bcf5035b2e8207a.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-1f4a77c098ecaa29.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d85c31e2a520cb57.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-af274bde543c4a19.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-54f3ccd06893aed8.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-99aff24c233bd0c8.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-4a9ff6e26a937e19.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1ab040c8d581c1d5.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1be5ab1a73b8d3c1.rlib" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-eaa0474023498767.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "dupe-symbols-8" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
  = note: /usr/bin/ld: cannot find dupe-symbols-8.dupe_symbols_8.f6e5da93116eab23-cgu.0.rcgu.o: No such file or directory
          /usr/bin/ld: warning: alignment 8 of symbol `_RNvNtNtNtCsle4rNbiKmem_4core3num7dec2flt5table17POWER_OF_FIVE_128' in /home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1be5ab1a73b8d3c1.rlib(core-1be5ab1a73b8d3c1.core.f73e5ae8f2233ce4-cgu.3.rcgu.o) is smaller than 32 in /home/matthias/vcs/github/rustc_codegen_gcc_attempt2/rustc_codegen_gcc/build_sysroot/sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1be5ab1a73b8d3c1.rlib(core-1be5ab1a73b8d3c1.core.f73e5ae8f2233ce4-cgu.11.rcgu.o)
          collect2: error: ld returned 1 exit status


error: aborting due to previous error