[Issue 18822] New: [REG 2.080.0] Compiling byGrapheme Fails

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18822

          Issue ID: 18822
           Summary: [REG 2.080.0] Compiling byGrapheme Fails
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: regression
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: jack at jackstouffer.com

CODE:

void main()
{
    import std.uni;
    string a = "test";
    auto b = a.byGrapheme;
}

$ dmd --version
DMD64 D Compiler v2.080.0

$ dmd -unittest -main -run source/yarn.d
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(7010): Error: forward reference
to inferred return type of function call hangLV()
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(7040): Error: forward reference
to inferred return type of function call hangLV()
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(7110): Error: template instance
`std.uni.genericDecodeGrapheme!false.genericDecodeGrapheme!(const(char)[])`
error instantiating
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3206):        instantiated
from here: graphemeStride!char
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(2890):        instantiated
from here: formatRange!(Appender!string, string, char)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(1845):        instantiated
from here: formatValueImpl!(Appender!string, string, char)
/usr/local/opt/dmd/include/dlang/dmd/std/array.d(3268):        ... (7
instantiations, -v to show) ...
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10432):        instantiated from
here: CodepointTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10502):        instantiated from
here: asTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/conv.d(1018): Error: template instance
`std.conv.toStr!(string, char)` error instantiating
/usr/local/opt/dmd/include/dlang/dmd/std/conv.d(222):        instantiated from
here: toImpl!(string, char)
/usr/local/opt/dmd/include/dlang/dmd/std/conv.d(4255):        instantiated from
here: to!char
/usr/local/opt/dmd/include/dlang/dmd/std/conv.d(4194):        instantiated from
here: textImpl!(string, string, char)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(486):        ... (13
instantiations, -v to show) ...
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10432):        instantiated from
here: CodepointTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10502):        instantiated from
here: asTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/conv.d(4194): Error: template instance
`std.conv.textImpl!(string, string, string, string)` error instantiating
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(4509):        instantiated
from here: text!(string, string, string)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(4484):        instantiated
from here: getNth!("integer width", isIntegral, int, uint)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(492):        instantiated
from here: getNthInt!("integer width", uint)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3400):        ... (12
instantiations, -v to show) ...
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10432):        instantiated from
here: CodepointTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10502):        instantiated from
here: asTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(4484): Error: template
instance `std.format.getNth!("integer precision", isIntegral, int, uint)` error
instantiating
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(518):        instantiated
from here: getNthInt!("integer precision", uint)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3400):        instantiated
from here: formattedWrite!(Appender!string, char, uint)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3496):        instantiated
from here: formatChar!(Appender!string)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3339):        ... (10
instantiations, -v to show) ...
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10432):        instantiated from
here: CodepointTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10502):        instantiated from
here: asTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(4484): Error: template
instance `std.format.getNth!("separator digit width", isIntegral, int, uint)`
error instantiating
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(538):        instantiated
from here: getNthInt!("separator digit width", uint)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3400):        instantiated
from here: formattedWrite!(Appender!string, char, uint)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3496):        instantiated
from here: formatChar!(Appender!string)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3339):        ... (10
instantiations, -v to show) ...
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10432):        instantiated from
here: CodepointTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10502):        instantiated from
here: asTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/conv.d(4194): Error: template instance
`std.conv.textImpl!(string, string, string, string, string, uint)` error
instantiating
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(4503):        instantiated
from here: text!(string, string, string, string, uint)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(546):        instantiated
from here: getNth!("separator character", isSomeChar, dchar, uint)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3400):        instantiated
from here: formattedWrite!(Appender!string, char, uint)
/usr/local/opt/dmd/include/dlang/dmd/std/format.d(3496):        ... (11
instantiations, -v to show) ...
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10432):        instantiated from
here: CodepointTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/uni.d(10502):        instantiated from
here: asTrie!(bool, 8, 5, 8)
/usr/local/opt/dmd/include/dlang/dmd/std/conv.d(4194): Error: template instance
`std.conv.textImpl!(string, string, ubyte, char, char, string, ulong)` error
instantiating

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