[Issue 23207] dmd hangs compiling druntime/src/core/stdc/errno.c

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23207

--- Comment #1 from Walter Bright <bugzilla at digitalmars.com> ---
It's hanging here:

0x000000000084dc28 in dmd.lexer.Lexer.nextDefineLine() (this=0x7fffffffddd0) at
src/dmd/lexer.d:177
177         }
(gdb) bt
#0  0x000000000084dc28 in dmd.lexer.Lexer.nextDefineLine()
(this=0x7fffffffddd0) at src/dmd/lexer.d:177
#1  0x00000000007f13ef in dmd.cparse() (this=0x7fffffffddd0) at
src/dmd/cparse.d:5241
#2  0x00000000007e6609 in dmd.cparse() (this=0x7fffffffddd0) at
src/dmd/cparse.d:116
#3  0x00000000006a078e in dmd.dmodule.Module() (this=0x7ffff7edf5b0) at
src/dmd/dmodule.d:984
#4  0x000000000069ea85 in Module::parse() (this=0x7ffff7edf5b0) at
src/dmd/dmodule.d:701
#5  0x00000000006279d8 in dmd.mars.tryMain() (params=..., argv=0x7fffffffeb38,
argc=4) at src/dmd/mars.d:360
#6  0x0000000000629b5e in D main (_param_0=...) at src/dmd/mars.d:962

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