I've just installed MSYS2 and built a C++ project which has been running
for the last 13+ years, on various Linux, Cygwin, and (old) mingw
platforms. Some of the regressions are failing on mingw-w64/x86_64,
which I haven't tried before, and the errors I'm getting are exactly the
same as errors I got when running on Centos 4.4 in 2007. These errors
all disappeared over the next few years as the platforms moved to newer
libc versions.
I don't have a record of any old test cases, but I do have a commit
message which says:
The 3 failures are caused by a bug in the libc strtof, strtod, and
strtold routines on my system, which currently have a problem when
scanning
hex floats with negative exponents.
Question - is mingw-w64 actually using an old libc version? It's going
to take me hours to find the old test cases, or write new ones, so I
thought I'd just do a sanity check here first. Thanks.
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