release-1.9: Backports for 1.9.3 (#50507)

Backported PRs:
- [x] #47782 <!-- Generalize Bool parse method to AbstractString -->
- [x] #48634 <!-- Remove unused "deps" mechanism in internal sorting
keywords [NFC] -->
- [x] #49931 <!-- Lock finalizers' lists at exit -->
- [x] #50064 <!-- Fix numbered prompt with input only with comment -->
- [x] #50474 <!-- docs: Fix a `!!! note` which was miscapitalized -->
- [x] #50516 <!-- Fix visibility of assert on GCC12/13 -->
- [x] #50635 <!-- `versioninfo()`: include build info and unofficial
warning -->
- [x] #49915 <!-- Revert "Remove number / vector (#44358)" -->
- [x] #50781 <!-- fix `bit_map!` with aliasing -->
- [x] #50845 <!-- fix #50438, use default pool for at-threads -->
- [x] #49031 <!-- Update inference.md -->
- [x] #50289 <!-- Initialize prev_nold and nold in gc_reset_page -->
- [x] #50559 <!-- Expand kwcall lowering positional default check to
vararg -->
- [x] #49582 <!-- Update HISTORY.md for `DelimitedFiles` -->
- [x] #50341 <!-- invokelatest docs should say not exported before 1.9
-->
- [x] #50525 <!-- only check that values are finite in `generic_lufact`
when `check=true` -->
- [x] #50444 <!-- Optimize getfield lowering to avoid boxing in some
cases -->
- [x] #50523 <!-- Avoid generic call in most cases for getproperty -->
- [x] #50860 <!-- Add `Base.get_extension` to docs/API -->
- [x] #50164 <!-- codegen: handle dead code with unsafe_store of FCA
pointers -->
- [x] #50568 <!-- `Array(::AbstractRange)` should return an `Array` -->
- [x] #50871 <!-- macOS: Don't inspect dead threadtls during exception
handling. -->

Need manual backport:
- [ ] #48542 <!-- Add docs on task-specific buffering using
multithreading -->
- [ ] #50591 <!-- build: fix various makefile bugs -->


Non-merged PRs with backport label:
- [ ] #50842 <!-- Avoid race conditions with recursive rm -->
- [ ] #50823 <!-- Make ranges more robust with unsigned indexes. -->
- [ ] #50663 <!-- Fix Expr(:loopinfo) codegen -->
- [ ] #49716 <!-- Update varinfo() docstring signature -->
- [ ] #49713 <!-- prevent REPL from erroring in numbered mode in some
situations -->
- [ ] #49573 <!-- Implement jl_cpu_pause on PPC64 -->
- [ ] #48726 <!-- fix macro expansion of property destructuring -->
- [ ] #48642 <!-- Use gc alloc instead of alloc typed in lowering -->
- [ ] #48183 <!-- Don't use pkgimage for package if any includes fall in
tracked path for coverage or alloc tracking -->
- [ ] #48050 <!-- improve `--heap-size-hint` arg handling -->
- [ ] #47615 <!-- Allow threadsafe access to buffer of type inference
profiling trees -->

Author: KristofferC

NEWS.md

@@ -181,7 +181,7 @@ Standard library changes
 
 #### DelimitedFiles
 
-* DelimitedFiles has been moved out as a separate package. It now has to be explicitly installed to be used.
+* DelimitedFiles has been moved out as a separate package.
 
 Deprecated or removed
 ---------------------

base/abstractarray.jl

@@ -766,6 +766,8 @@ false
 checkindex(::Type{Bool}, inds::AbstractUnitRange, i) =
     throw(ArgumentError("unable to check bounds for indices of type $(typeof(i))"))
 checkindex(::Type{Bool}, inds::AbstractUnitRange, i::Real) = (first(inds) <= i) & (i <= last(inds))
+checkindex(::Type{Bool}, inds::IdentityUnitRange, i::Real) = checkindex(Bool, inds.indices, i)
+checkindex(::Type{Bool}, inds::OneTo{T}, i::T) where {T<:BitInteger} = unsigned(i - one(i)) < unsigned(last(inds))
 checkindex(::Type{Bool}, inds::AbstractUnitRange, ::Colon) = true
 checkindex(::Type{Bool}, inds::AbstractUnitRange, ::Slice) = true
 function checkindex(::Type{Bool}, inds::AbstractUnitRange, r::AbstractRange)

base/bitarray.jl

@@ -1791,9 +1791,10 @@ function bit_map!(f::F, dest::BitArray, A::BitArray) where F
     dest_last = destc[len_Ac]
     _msk = _msk_end(A)
     # first zero out the bits mask is going to change
-    destc[len_Ac] = (dest_last & (~_msk))
     # then update bits by `or`ing with a masked RHS
-    destc[len_Ac] |= f(Ac[len_Ac]) & _msk
+    # DO NOT SEPARATE ONTO TO LINES.
+    # Otherwise there will be bugs when Ac aliases destc
+    destc[len_Ac] = (dest_last & (~_msk)) | f(Ac[len_Ac]) & _msk
     dest
 end
 function bit_map!(f::F, dest::BitArray, A::BitArray, B::BitArray) where F
@@ -1812,9 +1813,10 @@ function bit_map!(f::F, dest::BitArray, A::BitArray, B::BitArray) where F
     dest_last = destc[len_Ac]
     _msk = _msk_end(min_bitlen)
     # first zero out the bits mask is going to change
-    destc[len_Ac] = (dest_last & ~(_msk))
     # then update bits by `or`ing with a masked RHS
-    destc[len_Ac] |= f(Ac[end], Bc[end]) & _msk
+    # DO NOT SEPARATE ONTO TO LINES.
+    # Otherwise there will be bugs when Ac or Bc aliases destc
+    destc[len_Ac] = (dest_last & ~(_msk)) | f(Ac[end], Bc[end]) & _msk
     dest
 end
 

base/essentials.jl

@@ -809,6 +809,9 @@ e.g. long-running event loops or callback functions that may
 call obsolete versions of a function `f`.
 (The drawback is that `invokelatest` is somewhat slower than calling
 `f` directly, and the type of the result cannot be inferred by the compiler.)
+
+!!! compat "Julia 1.9"
+    Prior to Julia 1.9, this function was not exported, and was called as `Base.invokelatest`.
 """
 function invokelatest(@nospecialize(f), @nospecialize args...; kwargs...)
     kwargs = merge(NamedTuple(), kwargs)

base/parse.jl

@@ -176,7 +176,7 @@ function tryparse_internal(::Type{T}, s::AbstractString, startpos::Int, endpos::
     return n
 end
 
-function tryparse_internal(::Type{Bool}, sbuff::Union{String,SubString{String}},
+function tryparse_internal(::Type{Bool}, sbuff::AbstractString,
         startpos::Int, endpos::Int, base::Integer, raise::Bool)
     if isempty(sbuff)
         raise && throw(ArgumentError("input string is empty"))
@@ -202,10 +202,15 @@ function tryparse_internal(::Type{Bool}, sbuff::Union{String,SubString{String}},
     end
 
     len = endpos - startpos + 1
-    p   = pointer(sbuff) + startpos - 1
-    GC.@preserve sbuff begin
-        (len == 4) && (0 == _memcmp(p, "true", 4)) && (return true)
-        (len == 5) && (0 == _memcmp(p, "false", 5)) && (return false)
+    if sbuff isa Union{String, SubString{String}}
+        p = pointer(sbuff) + startpos - 1
+        GC.@preserve sbuff begin
+            (len == 4) && (0 == _memcmp(p, "true", 4)) && (return true)
+            (len == 5) && (0 == _memcmp(p, "false", 5)) && (return false)
+        end
+    else
+        (len == 4) && (SubString(sbuff, startpos:startpos+3) == "true") && (return true)
+        (len == 5) && (SubString(sbuff, startpos:startpos+4) == "false") && (return false)
     end
 
     if raise

base/range.jl

@@ -1363,8 +1363,21 @@ function vcat(rs::AbstractRange{T}...) where T
     return a
 end
 
-Array{T,1}(r::AbstractRange{T}) where {T} = vcat(r)
-collect(r::AbstractRange) = vcat(r)
+# This method differs from that for AbstractArrays as it
+# use iteration instead of indexing. This works even if certain
+# non-standard ranges don't support indexing.
+# See https://github.com/JuliaLang/julia/pull/27302
+# Similarly, collect(r::AbstractRange) uses iteration
+function Array{T,1}(r::AbstractRange{T}) where {T}
+    a = Vector{T}(undef, length(r))
+    i = 1
+    for x in r
+        @inbounds a[i] = x
+        i += 1
+    end
+    return a
+end
+collect(r::AbstractRange) = Array(r)
 
 _reverse(r::OrdinalRange, ::Colon) = (:)(last(r), negate(step(r)), first(r))
 function _reverse(r::StepRangeLen, ::Colon)

base/reflection.jl

@@ -1913,12 +1913,15 @@ end
 """
     @invokelatest f(args...; kwargs...)
 
-Provides a convenient way to call [`Base.invokelatest`](@ref).
+Provides a convenient way to call [`invokelatest`](@ref).
 `@invokelatest f(args...; kwargs...)` will simply be expanded into
 `Base.invokelatest(f, args...; kwargs...)`.
 
 !!! compat "Julia 1.7"
     This macro requires Julia 1.7 or later.
+
+!!! compat "Julia 1.9"
+    Prior to Julia 1.9, this macro was not exported, and was called as `Base.@invokelatest`.
 """
 macro invokelatest(ex)
     f, args, kwargs = destructure_callex(ex)

base/threadingconstructs.jl

@@ -138,7 +138,13 @@ function threading_run(fun, static)
     for i = 1:n
         t = Task(() -> fun(i)) # pass in tid
         t.sticky = static
-        static && ccall(:jl_set_task_tid, Cint, (Any, Cint), t, tid_offset + i-1)
+        if static
+            ccall(:jl_set_task_tid, Cint, (Any, Cint), t, tid_offset + i-1)
+        else
+            # TODO: this should be the current pool (except interactive) if there
+            # are ever more than two pools.
+            ccall(:jl_set_task_threadpoolid, Cint, (Any, Int8), t, _sym_to_tpid(:default))
+        end
         tasks[i] = t
         schedule(t)
     end

doc/src/base/base.md

@@ -449,6 +449,7 @@ Base.identify_package
 Base.locate_package
 Base.require
 Base.compilecache
+Base.get_extension
 ```
 
 ## Internals

doc/src/devdocs/inference.md

@@ -6,8 +6,8 @@
 to the process of deducing the types of later values from the types of
 input values. Julia's approach to inference has been described in blog
 posts
-([1](https://juliacomputing.com/blog/2016/04/inference-convergence/),
-[2](https://juliacomputing.com/blog/2017/05/inference-converage2/)).
+([1](https://info.juliahub.com/inference-convergence-algorithm-in-julia/),
+[2](https://info.juliahub.com/inference-convergence-algorithm-in-julia-revisited/)).
 
 ## Debugging compiler.jl
 

doc/src/manual/multi-threading.md

@@ -276,7 +276,7 @@ sum_multi_good (generic function with 1 method)
 julia> sum_multi_good(1:1_000_000)
 500000500000
 ```
-!!! Note
+!!! note
     Buffers should not be managed based on `threadid()` i.e. `buffers = zeros(Threads.nthreads())` because concurrent tasks
     can yield, meaning multiple concurrent tasks may use the same buffer on a given thread, introducing risk of data races.
     Further, when more than one thread is available tasks may change thread at yield points, which is known as

src/codegen.cpp

@@ -693,6 +693,13 @@ static const auto jlundefvarerror_func = new JuliaFunction{
             {PointerType::get(JuliaType::get_jlvalue_ty(C), AddressSpace::CalleeRooted)}, false); },
     get_attrs_noreturn,
 };
+static const auto jlhasnofield_func = new JuliaFunction{
+    XSTR(jl_has_no_field_error),
+    [](LLVMContext &C) { return FunctionType::get(getVoidTy(C),
+            {PointerType::get(JuliaType::get_jlvalue_ty(C), AddressSpace::CalleeRooted),
+             PointerType::get(JuliaType::get_jlvalue_ty(C), AddressSpace::CalleeRooted)}, false); },
+    get_attrs_noreturn,
+};
 static const auto jlboundserrorv_func = new JuliaFunction{
     XSTR(jl_bounds_error_ints),
     [](LLVMContext &C) { return FunctionType::get(getVoidTy(C),
@@ -1048,6 +1055,18 @@ static const auto jlgetnthfieldchecked_func = new JuliaFunction{
             Attributes(C, {Attribute::NonNull}),
             None); },
 };
+static const auto jlfieldindex_func = new JuliaFunction{
+    XSTR(jl_field_index),
+    [](LLVMContext &C) {
+        auto T_prjlvalue = JuliaType::get_prjlvalue_ty(C);
+        return FunctionType::get(getInt32Ty(C),
+            {T_prjlvalue, T_prjlvalue, getInt32Ty(C)}, false);
+    },
+    [](LLVMContext &C) { return AttributeList::get(C,
+            Attributes(C, {Attribute::NoUnwind, Attribute::ReadOnly, Attribute::WillReturn}),
+            AttributeSet(),
+            None); }, // This function can error if the third argument is 1 so don't do that.
+};
 static const auto jlfieldisdefinedchecked_func = new JuliaFunction{
     XSTR(jl_field_isdefined_checked),
     [](LLVMContext &C) {
@@ -3236,6 +3255,8 @@ static jl_llvm_functions_t
         jl_value_t *jlrettype,
         jl_codegen_params_t &params);
 
+static void emit_hasnofield_error_ifnot(jl_codectx_t &ctx, Value *ok, jl_sym_t *type, jl_cgval_t name);
+
 static bool emit_builtin_call(jl_codectx_t &ctx, jl_cgval_t *ret, jl_value_t *f,
                               const jl_cgval_t *argv, size_t nargs, jl_value_t *rt,
                               jl_expr_t *ex, bool is_promotable)
@@ -3706,6 +3727,27 @@ static bool emit_builtin_call(jl_codectx_t &ctx, jl_cgval_t *ret, jl_value_t *f,
                 *ret = mark_julia_type(ctx, fld_val, true, jl_any_type);
                 return true;
             }
+        } else if (fld.typ == (jl_value_t*)jl_symbol_type) { // Known type but unknown symbol
+            if (jl_is_datatype(utt) && (utt != jl_module_type) && jl_struct_try_layout(utt)) {
+                if ((jl_datatype_nfields(utt) == 1 && !jl_is_namedtuple_type(utt))) {
+                    jl_svec_t *fn = jl_field_names(utt);
+                    assert(jl_svec_len(fn) == 1);
+                    Value *typ_sym = literal_pointer_val(ctx, jl_svecref(fn, 0));
+                    Value *cond = ctx.builder.CreateICmpEQ(mark_callee_rooted(ctx, typ_sym), mark_callee_rooted(ctx, boxed(ctx, fld)));
+                    emit_hasnofield_error_ifnot(ctx, cond, utt->name->name, fld);
+                    *ret = emit_getfield_knownidx(ctx, obj, 0, utt, order);
+                    return true;
+                }
+                else {
+                    Value *index = ctx.builder.CreateCall(prepare_call(jlfieldindex_func),
+                            {emit_typeof_boxed(ctx, obj, false), boxed(ctx, fld), ConstantInt::get(getInt32Ty(ctx.builder.getContext()), 0)});
+                    Value *cond = ctx.builder.CreateICmpNE(index, ConstantInt::get(getInt32Ty(ctx.builder.getContext()), -1));
+                    emit_hasnofield_error_ifnot(ctx, cond, utt->name->name, fld);
+                    Value *idx2 = ctx.builder.CreateAdd(ctx.builder.CreateIntCast(index, getSizeTy(ctx.builder.getContext()), false), ConstantInt::get(getSizeTy(ctx.builder.getContext()), 1)); // getfield_unknown is 1 based
+                    if (emit_getfield_unknownidx(ctx, ret, obj, idx2, utt, jl_false, order))
+                        return true;
+                }
+            }
         }
         // TODO: generic getfield func with more efficient calling convention
         return false;
@@ -4426,6 +4468,22 @@ static void undef_var_error_ifnot(jl_codectx_t &ctx, Value *ok, jl_sym_t *name)
     ctx.builder.SetInsertPoint(ifok);
 }
 
+static void emit_hasnofield_error_ifnot(jl_codectx_t &ctx, Value *ok, jl_sym_t *type, jl_cgval_t name)
+{
+    ++EmittedUndefVarErrors;
+    assert(name.typ == (jl_value_t*)jl_symbol_type);
+    BasicBlock *err = BasicBlock::Create(ctx.builder.getContext(), "err", ctx.f);
+    BasicBlock *ifok = BasicBlock::Create(ctx.builder.getContext(), "ok");
+    ctx.builder.CreateCondBr(ok, ifok, err);
+    ctx.builder.SetInsertPoint(err);
+    ctx.builder.CreateCall(prepare_call(jlhasnofield_func),
+                          {mark_callee_rooted(ctx, literal_pointer_val(ctx, (jl_value_t*)type)),
+                           mark_callee_rooted(ctx, boxed(ctx, name))});
+    ctx.builder.CreateUnreachable();
+    ctx.f->getBasicBlockList().push_back(ifok);
+    ctx.builder.SetInsertPoint(ifok);
+}
+
 // returns a jl_ppvalue_t location for the global variable m.s
 // if the reference currently bound or assign == true,
 //   pbnd will also be assigned with the binding address
@@ -8692,6 +8750,7 @@ static void init_jit_functions(void)
     add_named_global(jlatomicerror_func, &jl_atomic_error);
     add_named_global(jlthrow_func, &jl_throw);
     add_named_global(jlundefvarerror_func, &jl_undefined_var_error);
+    add_named_global(jlhasnofield_func, &jl_has_no_field_error);
     add_named_global(jlboundserrorv_func, &jl_bounds_error_ints);
     add_named_global(jlboundserror_func, &jl_bounds_error_int);
     add_named_global(jlvboundserror_func, &jl_bounds_error_tuple_int);
@@ -8736,6 +8795,7 @@ static void init_jit_functions(void)
     add_named_global("jl_adopt_thread", &jl_adopt_thread);
     add_named_global(jlgetcfunctiontrampoline_func, &jl_get_cfunction_trampoline);
     add_named_global(jlgetnthfieldchecked_func, &jl_get_nth_field_checked);
+    add_named_global(jlfieldindex_func, &jl_field_index);
     add_named_global(diff_gc_total_bytes_func, &jl_gc_diff_total_bytes);
     add_named_global(sync_gc_total_bytes_func, &jl_gc_sync_total_bytes);
     add_named_global(jlarray_data_owner_func, &jl_array_data_owner);

src/datatype.c

@@ -1511,8 +1511,7 @@ JL_DLLEXPORT int jl_field_index(jl_datatype_t *t, jl_sym_t *fld, int err)
         }
     }
     if (err)
-        jl_errorf("type %s has no field %s", jl_symbol_name(t->name->name),
-                  jl_symbol_name(fld));
+        jl_has_no_field_error(t->name->name, fld);
     return -1;
 }
 

src/gc.c

@@ -638,12 +638,17 @@ void jl_gc_run_all_finalizers(jl_task_t *ct)
     jl_ptls_t* gc_all_tls_states;
     gc_n_threads = jl_atomic_load_acquire(&jl_n_threads);
     gc_all_tls_states = jl_atomic_load_relaxed(&jl_all_tls_states);
+    // this is called from `jl_atexit_hook`; threads could still be running
+    // so we have to guard the finalizers' lists
+    JL_LOCK_NOGC(&finalizers_lock);
     schedule_all_finalizers(&finalizer_list_marked);
     for (int i = 0; i < gc_n_threads; i++) {
         jl_ptls_t ptls2 = gc_all_tls_states[i];
         if (ptls2)
             schedule_all_finalizers(&ptls2->finalizers);
     }
+    // unlock here because `run_finalizers` locks this
+    JL_UNLOCK_NOGC(&finalizers_lock);
     gc_n_threads = 0;
     gc_all_tls_states = NULL;
     run_finalizers(ct);
@@ -1410,6 +1415,8 @@ static inline jl_taggedvalue_t *reset_page(jl_ptls_t ptls2, const jl_gc_pool_t *
     pg->has_marked = 0;
     pg->fl_begin_offset = -1;
     pg->fl_end_offset = -1;
+    pg->prev_nold = 0;
+    pg->nold = 0;
     return beg;
 }
 

src/intrinsics.cpp

@@ -678,7 +678,7 @@ static jl_cgval_t emit_pointerref(jl_codectx_t &ctx, jl_cgval_t *argv)
         ai.decorateInst(load);
         return mark_julia_type(ctx, load, true, ety);
     }
-    else if (!jl_isbits(ety)) {
+    else if (!deserves_stack(ety)) {
         assert(jl_is_datatype(ety));
         uint64_t size = jl_datatype_size(ety);
         Value *strct = emit_allocobj(ctx, size,
@@ -697,7 +697,7 @@ static jl_cgval_t emit_pointerref(jl_codectx_t &ctx, jl_cgval_t *argv)
         assert(!isboxed);
         if (!type_is_ghost(ptrty)) {
             Value *thePtr = emit_unbox(ctx, ptrty->getPointerTo(), e, e.typ);
-            return typed_load(ctx, thePtr, im1, ety, ctx.tbaa().tbaa_data, nullptr, isboxed, AtomicOrdering::NotAtomic, true, align_nb);
+            return typed_load(ctx, thePtr, im1, ety, ctx.tbaa().tbaa_data, nullptr, isboxed, AtomicOrdering::NotAtomic, false, align_nb);
         }
         else {
             return ghostValue(ctx, ety);
@@ -751,7 +751,7 @@ static jl_cgval_t emit_pointerset(jl_codectx_t &ctx, jl_cgval_t *argv)
         jl_aliasinfo_t ai = jl_aliasinfo_t::fromTBAA(ctx, ctx.tbaa().tbaa_data);
         ai.decorateInst(store);
     }
-    else if (!jl_isbits(ety)) {
+    else if (x.ispointer()) {
         thePtr = emit_unbox(ctx, getInt8PtrTy(ctx.builder.getContext()), e, e.typ);
         uint64_t size = jl_datatype_size(ety);
         im1 = ctx.builder.CreateMul(im1, ConstantInt::get(getSizeTy(ctx.builder.getContext()),
@@ -824,7 +824,7 @@ static jl_cgval_t emit_atomic_pointerref(jl_codectx_t &ctx, jl_cgval_t *argv)
         return jl_cgval_t();
     }
 
-    if (!jl_isbits(ety)) {
+    if (!deserves_stack(ety)) {
         assert(jl_is_datatype(ety));
         uint64_t size = jl_datatype_size(ety);
         Value *strct = emit_allocobj(ctx, size,
@@ -848,7 +848,7 @@ static jl_cgval_t emit_atomic_pointerref(jl_codectx_t &ctx, jl_cgval_t *argv)
         assert(!isboxed);
         if (!type_is_ghost(ptrty)) {
             Value *thePtr = emit_unbox(ctx, ptrty->getPointerTo(), e, e.typ);
-            return typed_load(ctx, thePtr, nullptr, ety, ctx.tbaa().tbaa_data, nullptr, isboxed, llvm_order, true, nb);
+            return typed_load(ctx, thePtr, nullptr, ety, ctx.tbaa().tbaa_data, nullptr, isboxed, llvm_order, false, nb);
         }
         else {
             if (order > jl_memory_order_monotonic)
@@ -924,6 +924,7 @@ static jl_cgval_t emit_atomic_pointerop(jl_codectx_t &ctx, intrinsic f, const jl
     }
 
     if (!jl_isbits(ety)) {
+        //if (!deserves_stack(ety))
         //Value *thePtr = emit_unbox(ctx, getInt8PtrTy(ctx.builder.getContext()), e, e.typ);
         //uint64_t size = jl_datatype_size(ety);
         return emit_runtime_call(ctx, f, argv, nargs); // TODO: optimizations

src/jl_exported_funcs.inc

@@ -513,6 +513,7 @@
     XX(jl_uncompress_argname_n) \
     XX(jl_uncompress_ir) \
     XX(jl_undefined_var_error) \
+    XX(jl_has_no_field_error) \
     XX(jl_value_ptr) \
     XX(jl_ver_is_release) \
     XX(jl_ver_major) \

src/julia-syntax.scm

@@ -559,7 +559,7 @@
           name positional-sparams
           `((|::|
              ;; if there are optional positional args, we need to be able to reference the function name
-             ,(if (any kwarg? pargl) (gensy) UNUSED)
+             ,(if (any kwarg? `(,@pargl ,@vararg)) (gensy) UNUSED)
              (call (core kwftype) ,ftype)) ,kw ,@pargl ,@vararg)
           `(block
             ;; propagate method metadata to keyword sorter

src/julia.h

@@ -1706,6 +1706,7 @@ JL_DLLEXPORT void JL_NORETURN jl_type_error_rt(const char *fname,
                                                jl_value_t *ty JL_MAYBE_UNROOTED,
                                                jl_value_t *got JL_MAYBE_UNROOTED);
 JL_DLLEXPORT void JL_NORETURN jl_undefined_var_error(jl_sym_t *var);
+JL_DLLEXPORT void JL_NORETURN jl_has_no_field_error(jl_sym_t *type_name, jl_sym_t *var);
 JL_DLLEXPORT void JL_NORETURN jl_atomic_error(char *str);
 JL_DLLEXPORT void JL_NORETURN jl_bounds_error(jl_value_t *v JL_MAYBE_UNROOTED,
                                               jl_value_t *t JL_MAYBE_UNROOTED);