[Issue 23255] New: undefined reference to `_D4core8internal7switch___T14__switch_errorZQrFNaNbNiNfAyamZv'
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Sat Jul 16 15:28:36 UTC 2022
https://issues.dlang.org/show_bug.cgi?id=23255
Issue ID: 23255
Summary: undefined reference to
`_D4core8internal7switch___T14__switch_errorZQrFNaNbNi
NfAyamZv'
Product: D
Version: D2
Hardware: x86_64
OS: Linux
Status: NEW
Severity: regression
Priority: P1
Component: dmd
Assignee: nobody at puremagic.com
Reporter: puneet at coverify.org
With latest DMD:
$ dmd -release -shared -fPIC foo.d -oflibesdl-ldc-shared.so
$ dmd test.d libesdl-ldc-shared.so
/usr/bin/ld: test.o: in function
`_D3std3uni__T21genericDecodeGraphemeVbi0Z__TQBfTAxwZQBnFNaNbNiNfKQrZv':
test.d:(.text._D3std3uni__T21genericDecodeGraphemeVbi0Z__TQBfTAxwZQBnFNaNbNiNfKQrZv[_D3std3uni__T21genericDecodeGraphemeVbi0Z__TQBfTAxwZQBnFNaNbNiNfKQrZv]+0x3a5):
undefined reference to
`_D4core8internal7switch___T14__switch_errorZQrFNaNbNiNfAyamZv'
collect2: error: ld returned 1 exit status
Error: linker exited with status 1
// $ cat foo.d
class Bar { Foo!false FOO; }
struct Foo(bool S) {
import std.format;
const string toString(FormatSpec!char f) {
return format("%0b", 42);
}
bool opEquals(V)(V other) {
format("%s" , this);
return false;
}
}
// $ cat test.d
import foo;
enum Mode: int {SINGLE}
void main() {
import std.stdio;
import std.format;
Mode mode;
writeln(format("%08b", 42), mode);
}
--
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