More invalidation fixes

base/Enums.jl

@@ -29,7 +29,7 @@ Base.print(io::IO, x::Enum) = print(io, Symbol(x))
 
 function Base.show(io::IO, x::Enum)
     sym = Symbol(x)
-    if !get(io, :compact, false)
+    if !(get(io, :compact, false)::Bool)
         from = get(io, :module, Main)
         def = typeof(x).name.module
         if from === nothing || !Base.isvisible(sym, def, from)
@@ -159,6 +159,7 @@ macro enum(T, syms...)
         else
             throw(ArgumentError(string("invalid argument for Enum ", typename, ": ", s)))
         end
+        s = s::Symbol
         if !Base.isidentifier(s)
             throw(ArgumentError("invalid name for Enum $typename; \"$s\" is not a valid identifier"))
         end

base/abstractarray.jl

@@ -1064,6 +1064,7 @@ _getindex(::IndexStyle, A::AbstractArray, I...) =
     error("getindex for $(typeof(A)) with types $(typeof(I)) is not supported")
 
 ## IndexLinear Scalar indexing: canonical method is one Int
+_getindex(::IndexLinear, A::AbstractVector, i::Int) = (@_propagate_inbounds_meta; getindex(A, i))  # ambiguity resolution in case packages specialize this (to be avoided if at all possible, but see Interpolations.jl)
 _getindex(::IndexLinear, A::AbstractArray, i::Int) = (@_propagate_inbounds_meta; getindex(A, i))
 function _getindex(::IndexLinear, A::AbstractArray, I::Vararg{Int,M}) where M
     @_inline_meta
@@ -2149,6 +2150,8 @@ end
 # map on collections
 map(f, A::AbstractArray) = collect_similar(A, Generator(f,A))
 
+mapany(f, itr) = map!(f, Vector{Any}(undef, length(itr)), itr)  # convenient for Expr.args
+
 # default to returning an Array for `map` on general iterators
 """
     map(f, c...) -> collection

base/arrayshow.jl

@@ -166,7 +166,7 @@ function print_matrix(io::IO, X::AbstractVecOrMat,
                       vdots::AbstractString = "\u22ee",
                       ddots::AbstractString = "  \u22f1  ",
                       hmod::Integer = 5, vmod::Integer = 5)
-    if !get(io, :limit, false)
+    if !(get(io, :limit, false)::Bool)
         screenheight = screenwidth = typemax(Int)
     else
         sz = displaysize(io)

base/channels.jl

@@ -444,7 +444,7 @@ show(io::IO, c::Channel) = print(io, typeof(c), "(", c.sz_max, ")")
 
 function show(io::IO, ::MIME"text/plain", c::Channel)
     show(io, c)
-    if !get(io, :compact, false)
+    if !(get(io, :compact, false)::Bool)
         if !isopen(c)
             print(io, " (closed)")
         else

base/dict.jl

@@ -25,7 +25,7 @@ function show(io::IO, t::AbstractDict{K,V}) where V where K
     recur_io = IOContext(io, :SHOWN_SET => t,
                              :typeinfo => eltype(t))
 
-    limit::Bool = get(io, :limit, false)
+    limit = get(io, :limit, false)::Bool
     # show in a Julia-syntax-like form: Dict(k=>v, ...)
     print(io, typeinfo_prefix(io, t)[1])
     print(io, '(')

base/docs/Docs.jl

@@ -62,7 +62,7 @@ include("bindings.jl")
 
 import .Base.Meta: quot, isexpr
 import .Base: Callable, with_output_color
-using .Base: RefValue
+using .Base: RefValue, mapany
 import ..CoreDocs: lazy_iterpolate
 
 export doc
@@ -71,12 +71,13 @@ export doc
 
 const modules = Module[]
 const META    = gensym(:meta)
+const METAType = IdDict{Any,Any}
 
-meta(m::Module) = isdefined(m, META) ? getfield(m, META) : IdDict()
+meta(m::Module) = isdefined(m, META) ? getfield(m, META)::METAType : METAType()
 
 function initmeta(m::Module)
     if !isdefined(m, META)
-        Core.eval(m, :(const $META = $(IdDict())))
+        Core.eval(m, :(const $META = $(METAType())))
         push!(modules, m)
     end
     nothing
@@ -95,7 +96,7 @@ function signature!(tv, expr::Expr)
             push!(sig.args[end].args, argtype(arg))
         end
         if isexpr(expr.args[1], :curly) && isempty(tv)
-            append!(tv, tvar.(expr.args[1].args[2:end]))
+            append!(tv, mapany(tvar, expr.args[1].args[2:end]))
         end
         for i = length(tv):-1:1
             push!(sig.args, :(Tuple{$(tv[i].args[1])}))
@@ -105,7 +106,7 @@ function signature!(tv, expr::Expr)
         end
         return sig
     elseif isexpr(expr, :where)
-        append!(tv, tvar.(expr.args[2:end]))
+        append!(tv, mapany(tvar, expr.args[2:end]))
         return signature!(tv, expr.args[1])
     else
         return signature!(tv, expr.args[1])
@@ -204,9 +205,9 @@ mutable struct MultiDoc
     "Ordered (via definition order) vector of object signatures."
     order::Vector{Type}
     "Documentation for each object. Keys are signatures."
-    docs::IdDict{Any,Any}
+    docs::METAType
 
-    MultiDoc() = new(Type[], IdDict())
+    MultiDoc() = new(Type[], METAType())
 end
 
 # Docstring registration.
@@ -331,13 +332,14 @@ function metadata(__source__, __module__, expr, ismodule)
     end
     if isexpr(expr, :struct)
         # Field docs for concrete types.
-        fields = []
+        P = Pair{Any,Any}
+        fields = P[]
         last_docstr = nothing
         for each in expr.args[3].args
             if isa(each, Symbol) || isexpr(each, :(::))
                 # a field declaration
                 if last_docstr !== nothing
-                    push!(fields, (namify(each), last_docstr))
+                    push!(fields, P(namify(each), last_docstr))
                     last_docstr = nothing
                 end
             elseif isexpr(each, :function) || isexpr(each, :(=))
@@ -348,7 +350,7 @@ function metadata(__source__, __module__, expr, ismodule)
                 last_docstr = each
             end
         end
-        dict = :($(Dict)($([:($(Pair)($(quot(f)), $d)) for (f, d) in fields]...)))
+        dict = :($(Dict)($([(:($(P)($(quot(f)), $d)))::Expr for (f, d) in fields]...)))
         push!(args, :($(Pair)(:fields, $dict)))
     end
     return :($(Dict)($(args...)))

base/expr.jl

@@ -265,7 +265,7 @@ function pushmeta!(ex::Expr, sym::Symbol, args::Any...)
     if isempty(args)
         tag = sym
     else
-        tag = Expr(sym, args...)
+        tag = Expr(sym, args...)::Expr
     end
 
     inner = ex
@@ -277,7 +277,7 @@ function pushmeta!(ex::Expr, sym::Symbol, args::Any...)
     if idx != 0
         push!(exargs[idx].args, tag)
     else
-        body::Expr = inner.args[2]
+        body = inner.args[2]::Expr
         pushfirst!(body.args, Expr(:meta, tag))
     end
     ex
@@ -333,7 +333,7 @@ end
 
 function findmeta(ex::Expr)
     if ex.head === :function || is_short_function_def(ex) || ex.head === :->
-        body::Expr = ex.args[2]
+        body = ex.args[2]::Expr
         body.head === :block || error(body, " is not a block expression")
         return findmeta_block(ex.args)
     end

base/fastmath.jl

@@ -118,7 +118,7 @@ function make_fastmath(expr::Expr)
             end
         end
     end
-    Expr(make_fastmath(expr.head), map(make_fastmath, expr.args)...)
+    Expr(make_fastmath(expr.head), Base.mapany(make_fastmath, expr.args)...)
 end
 function make_fastmath(symb::Symbol)
     fast_symb = get(fast_op, symb, :nothing)

base/io.jl

@@ -387,7 +387,7 @@ it is always safe to read one byte after seeing `eof` return `false`. `eof` will
 `false` as long as buffered data is still available, even if the remote end of a connection
 is closed.
 """
-eof(io::AbstractPipe) = eof(pipe_reader(io))
+eof(io::AbstractPipe) = eof(pipe_reader(io)::IO)::Bool
 reseteof(io::AbstractPipe) = reseteof(pipe_reader(io))
 
 

base/libc.jl

@@ -38,6 +38,8 @@ dup(src::RawFD, target::RawFD) = systemerror("dup", -1 ==
     ccall((@static Sys.iswindows() ? :_dup2 : :dup2), Int32,
                 (RawFD, RawFD), src, target))
 
+show(io::IO, fd::RawFD) = print(io, "RawFD(", bitcast(UInt32, fd), ')')  # avoids invalidation via show_default
+
 # Wrapper for an OS file descriptor (for Windows)
 if Sys.iswindows()
     primitive type WindowsRawSocket sizeof(Ptr) * 8 end # On Windows file descriptors are HANDLE's and 64-bit on 64-bit Windows

base/logging.jl

@@ -80,6 +80,7 @@ end
 
 _invoked_min_enabled_level(@nospecialize(logger)) = invoke(min_enabled_level, Tuple{typeof(logger)}, logger)
 
+_invoked_catch_exceptions(@nospecialize(logger)) = invoke(catch_exceptions, Tuple{typeof(logger)}, logger)
 
 """
     NullLogger()
@@ -349,7 +350,7 @@ end
 # Report an error in log message creation (or in the logger itself).
 @noinline function logging_error(logger, level, _module, group, id,
                                  filepath, line, @nospecialize(err))
-    if !catch_exceptions(logger)
+    if !_invoked_catch_exceptions(logger)
         rethrow(err)
     end
     try

base/range.jl

@@ -457,7 +457,6 @@ function print_range(io::IO, r::AbstractRange,
                      hdots::AbstractString = ",\u2026,") # horiz ellipsis
     # This function borrows from print_matrix() in show.jl
     # and should be called by show and display
-    limit = get(io, :limit, false)
     sz = displaysize(io)
     if !haskey(io, :compact)
         io = IOContext(io, :compact => true)

base/ryu/Ryu.jl

@@ -109,7 +109,7 @@ function writeexp(x::T,
 end
 
 function Base.show(io::IO, x::T, forceuntyped::Bool=false, fromprint::Bool=false) where {T <: Base.IEEEFloat}
-    compact = get(io, :compact, false)
+    compact = get(io, :compact, false)::Bool
     buf = Base.StringVector(neededdigits(T))
     typed = !forceuntyped && !compact && get(io, :typeinfo, Any) != typeof(x)
     pos = writeshortest(buf, 1, x, false, false, true, -1,

base/show.jl

@@ -49,7 +49,7 @@ function show(io::IO, ::MIME"text/plain", iter::Union{KeySet,ValueIterator})
     summary(io, iter)
     isempty(iter) && return
     print(io, ". ", isa(iter,KeySet) ? "Keys" : "Values", ":")
-    limit::Bool = get(io, :limit, false)
+    limit = get(io, :limit, false)::Bool
     if limit
         sz = displaysize(io)
         rows, cols = sz[1] - 3, sz[2]
@@ -79,7 +79,7 @@ function show(io::IO, ::MIME"text/plain", t::AbstractDict{K,V}) where {K,V}
     isempty(t) && return show(io, t)
     # show more descriptively, with one line per key/value pair
     recur_io = IOContext(io, :SHOWN_SET => t)
-    limit::Bool = get(io, :limit, false)
+    limit = get(io, :limit, false)::Bool
     if !haskey(io, :compact)
         recur_io = IOContext(recur_io, :compact => true)
     end
@@ -149,7 +149,7 @@ function show(io::IO, ::MIME"text/plain", t::AbstractSet{T}) where T
     isempty(t) && return show(io, t)
     # show more descriptively, with one line per value
     recur_io = IOContext(io, :SHOWN_SET => t)
-    limit::Bool = get(io, :limit, false)
+    limit = get(io, :limit, false)::Bool
 
     summary(io, t)
     isempty(t) && return
@@ -450,11 +450,11 @@ function show_function(io::IO, f::Function, compact::Bool)
     end
 end
 
-show(io::IO, f::Function) = show_function(io, f, get(io, :compact, false))
+show(io::IO, f::Function) = show_function(io, f, get(io, :compact, false)::Bool)
 print(io::IO, f::Function) = show_function(io, f, true)
 
 function show(io::IO, f::Core.IntrinsicFunction)
-    if !get(io, :compact, false)
+    if !(get(io, :compact, false)::Bool)
         print(io, "Core.Intrinsics.")
     end
     print(io, nameof(f))
@@ -564,7 +564,7 @@ function show_type_name(io::IO, tn::Core.TypeName)
     sym = (globfunc ? globname : tn.name)::Symbol
     globfunc && print(io, "typeof(")
     quo = false
-    if !get(io, :compact, false)
+    if !(get(io, :compact, false)::Bool)
         # Print module prefix unless type is visible from module passed to
         # IOContext If :module is not set, default to Main. nothing can be used
         # to force printing prefix
@@ -1198,7 +1198,7 @@ function show_import_path(io::IO, ex, quote_level)
             if i > 1 && ex.args[i-1] !== :(.)
                 print(io, '.')
             end
-            show_sym(io, ex.args[i], allow_macroname=(i==length(ex.args)))
+            show_sym(io, ex.args[i]::Symbol, allow_macroname=(i==length(ex.args)))
         end
     else
         show_unquoted(io, ex, 0, 0, quote_level)
@@ -2129,7 +2129,7 @@ function alignment(io::IO, x::Pair)
         ctx = IOContext(io, :typeinfo => gettypeinfos(io, x)[1])
         left = length(sprint(show, x.first, context=ctx, sizehint=0))
         left += 2 * !isdelimited(ctx, x.first) # for parens around p.first
-        left += !get(io, :compact, false) # spaces are added around "=>"
+        left += !(get(io, :compact, false)::Bool) # spaces are added around "=>"
         (left+1, length(s)-left-1) # +1 for the "=" part of "=>"
     else
         (0, length(s)) # as for x::Any

base/strings/basic.jl

@@ -290,7 +290,7 @@ julia> cmp("b", "β")
 function cmp(a::AbstractString, b::AbstractString)
     a === b && return 0
     a, b = Iterators.Stateful(a), Iterators.Stateful(b)
-    for (c, d) in zip(a, b)
+    for (c::AbstractChar, d::AbstractChar) in zip(a, b)
         c ≠ d && return ifelse(c < d, -1, 1)
     end
     isempty(a) && return ifelse(isempty(b), 0, -1)

base/views.jl

@@ -148,10 +148,10 @@ function _views(ex::Expr)
         # but still use views for the args of the ref:
         lhs = ex.args[1]
         Expr(ex.head, Meta.isexpr(lhs, :ref) ?
-                      Expr(:ref, _views.(lhs.args)...) : _views(lhs),
+                      Expr(:ref, mapany(_views, lhs.args)...) : _views(lhs),
              _views(ex.args[2]))
     elseif ex.head === :ref
-        Expr(:call, maybeview, _views.(ex.args)...)
+        Expr(:call, maybeview, mapany(_views, ex.args)...)
     else
         h = string(ex.head)
         # don't use view on the lhs of an op-assignment a[i...] += ...
@@ -182,9 +182,9 @@ function _views(ex::Expr)
                  Expr(first(h) == '.' ? :(.=) : :(=), :($a[$(I...)]),
                       Expr(:call, Symbol(h[1:end-1]),
                            :($maybeview($a, $(I...))),
-                           _views.(ex.args[2:end])...)))
+                           mapany(_views, ex.args[2:end])...)))
         else
-            Expr(ex.head, _views.(ex.args)...)
+            Expr(ex.head, mapany(_views, ex.args)...)
         end
     end
 end

stdlib/Base64/src/decode.jl

@@ -123,7 +123,7 @@ function Base.readbytes!(pipe::Base64DecodePipe, data::AbstractVector{UInt8}, nb
     return filled
 end
 
-Base.eof(pipe::Base64DecodePipe) = isempty(pipe.rest) && eof(pipe.io)
+Base.eof(pipe::Base64DecodePipe) = isempty(pipe.rest) && eof(pipe.io)::Bool
 Base.close(pipe::Base64DecodePipe) = nothing
 
 # Decode data from (b1, b2, b3, b5, buffer, input) into (ptr, rest).

stdlib/LibGit2/src/gitcredential.jl

@@ -102,11 +102,11 @@ end
 
 function Base.read!(io::IO, cred::GitCredential)
     # https://git-scm.com/docs/git-credential#IOFMT
-    while !eof(io)
-        key = readuntil(io, '=')
+    while !(eof(io)::Bool)
+        key::AbstractString = readuntil(io, '=')
         if key == "password"
             value = Base.SecretBuffer()
-            while !eof(io) && (c = read(io, UInt8)) != UInt8('\n')
+            while !(eof(io)::Bool) && (c = read(io, UInt8)) != UInt8('\n')
                 write(value, c)
             end
             seekstart(value)

stdlib/Markdown/src/Julia/interp.jl

@@ -39,7 +39,7 @@ end
 
 toexpr(x) = x
 
-toexpr(xs::Vector{Any}) = Expr(:call, GlobalRef(Base,:getindex), Any, map(toexpr, xs)...)
+toexpr(xs::Vector{Any}) = Expr(:call, GlobalRef(Base,:getindex), Any, mapany(toexpr, xs)...)
 
 for T in Any[MD, Paragraph, Header, Link, Bold, Italic]
     @eval function toexpr(md::$T)

stdlib/Markdown/src/Markdown.jl

@@ -5,7 +5,7 @@ Tools for working with the Markdown file format. Mainly for documentation.
 """
 module Markdown
 
-import Base: show, ==, with_output_color
+import Base: show, ==, with_output_color, mapany
 using Base64: stringmime
 
 # Margin for printing in terminal.

stdlib/Markdown/src/parse/config.jl

@@ -76,7 +76,7 @@ const flavors = Dict{Symbol, Config}()
 
 macro flavor(name, features)
     quote
-        const $(esc(name)) = config($(map(esc,features.args)...))
+        const $(esc(name)) = config($(mapany(esc,features.args)...))
         flavors[$(Expr(:quote, name))] = $(esc(name))
     end
 end

stdlib/REPL/src/REPL.jl

@@ -1161,7 +1161,7 @@ StreamREPL(stream::IO) = StreamREPL(stream, Base.text_colors[:green], Base.input
 run_repl(stream::IO) = run_repl(StreamREPL(stream))
 
 outstream(s::StreamREPL) = s.stream
-hascolor(s::StreamREPL) = get(s.stream, :color, false)
+hascolor(s::StreamREPL) = get(s.stream, :color, false)::Bool
 
 answer_color(r::LineEditREPL) = r.envcolors ? Base.answer_color() : r.answer_color
 answer_color(r::StreamREPL) = r.answer_color