Bug#577598:

[Iain Buclaw <ibuclaw@ubuntu.com>]

Indeed it does seem to be an inlining issue.

As well as the compiler flags, you presented, you can also replicate using the following as well:

For gdc: '-g -O3' and '-g -Os -frelease'

For gdmd: '-g -O -inline' and '-g -O -release'

In all cases, including the flag '-fno-inline' works around the problem.

Regards

--
Iain Buclaw

*(p < e ? p++ : p) = (c & 0x0f) + '0';