[Issue 17155] [REG2.071.0] Link failure with nested map
https://issues.dlang.org/show_bug.cgi?id=17155 --- Comment #2 from Vladimir Panteleev--- (In reply to Vladimir Panteleev from comment #1) > This is still a regression in 2.071.0, however, as with issue 15985, > Digger's bisection doesn't seem to point to anything useful. OK, I got Digger to bisect the stable branch properly. Introduced in https://github.com/D-Programming-Language/dmd/pull/4995. --
[Issue 17155] [REG2.071.0] Link failure with nested map
https://issues.dlang.org/show_bug.cgi?id=17155 --- Comment #1 from Vladimir Panteleev--- Reduced: /// lib.d /// template unaryFun(alias fun) { alias unaryFun = fun; } struct MapResult(alias fun) { void front() { fun(string.init); } } template map(fun...) { auto map(string[]) { alias _fun = unaryFun!fun; assert(!is(typeof(_fun(string.init; return MapResult!(_fun)(); } } struct Map2Result(Range) { Range _input; } auto map2(Range)(Range) { return Map2Result!Range(); } struct FilterResult() { string front; } auto dirEntries() { return FilterResult!().init; } /// test.d // import lib; version (bug) auto x (T) (T mask) { return dirEntries().map2; } else auto x(string mask) { return dirEntries().map2; } void main() { string[] files; files.map!(mask => x(mask)); } // test.sh // dmd -lib -oflib.a lib.d dmd test lib.a # OK dmd -version=bug test lib.a # link error / Output: test.o: In function `_D3lib56__T10Map2ResultTS3lib18__T12FilterResultZ12FilterResultZ10Map2Result9__xtoHashFNbNeKxS3lib56__T10Map2ResultTS3lib18__T12FilterResultZ12FilterResultZ10Map2ResultZm': test.d:(.text._D3lib56__T10Map2ResultTS3lib18__T12FilterResultZ12FilterResultZ10Map2Result9__xtoHashFNbNeKxS3lib56__T10Map2ResultTS3lib18__T12FilterResultZ12FilterResultZ10Map2ResultZm+0x14): undefined reference to `_D49TypeInfo_xS3lib18__T12FilterResultZ12FilterResult6__initZ' test.d:(.text._D3lib56__T10Map2ResultTS3lib18__T12FilterResultZ12FilterResultZ10Map2Result9__xtoHashFNbNeKxS3lib56__T10Map2ResultTS3lib18__T12FilterResultZ12FilterResultZ10Map2ResultZm+0x1b): undefined reference to `_D49TypeInfo_xS3lib18__T12FilterResultZ12FilterResult6__initZ' collect2: error: ld returned 1 exit status This is still a regression in 2.071.0, however, as with issue 15985, Digger's bisection doesn't seem to point to anything useful. --
[Issue 17155] [REG2.071.0] Link failure with nested map
https://issues.dlang.org/show_bug.cgi?id=17155 Vladimir Panteleevchanged: What|Removed |Added Summary|[REG2.071.0]|[REG2.071.0] Link failure ||with nested map --