Make throw of qualified type an error

[thewilsonator]

No description provided.

[github-actions]

DMD perf check

No differences above the noise thresholds.

All measurements

Metric	Base	PR	Δ
compile hello.d (instr)	213.4 M	213.4 M	-0.001%
compile hello.d -O -release (instr)	231.6 M	231.6 M	-0.001%
compile Phobos (instr)	5,121.1 M	5,121.1 M	0.000%
compile Phobos codegen (instr)	1,472.5 M	1,472.5 M	-0.001%
compile vibe.d (instr)	15,113.7 M	15,113.7 M	0.000%
dmd binary size (stripped)	6.87 MB	6.87 MB	0.00%
hello binary size (stripped)	0.72 MB	0.72 MB	0.00%
peak RSS (compile hello.d)	43.20 MB	43.16 MB	-0.11%
peak RSS (compile Phobos)	618.3 MB	617.4 MB	-0.15%
peak RSS (compile vibe.d)	1918 MB	1917 MB	-0.05%
compile dmd itself (wall)	12.1 s	12.0 s	-0.36%
compile hello.d (wall)	65.6 ms	65.7 ms	+0.16%
compile Phobos (wall)	1,540 ms	1,550 ms	+0.66%

_{10cbe2c vs merge-base ff7c22d · about these metrics}

[thewilsonator]

cc @atilaneves for failures in automem line is https://github.com/atilaneves/automem/blob/master/source/automem/vector.d#L541 but I don't see where it is becoming immutable from.

[atilaneves]

cc @atilaneves for failures in automem line is https://github.com/atilaneves/automem/blob/master/source/automem/vector.d#L541 but I don't see where it is becoming immutable from.

v0.6.11 should not have this issue.

[thewilsonator]

Thanks, could you also update excel-d and concurrency to use the new version.