hg: mlvm/mlvm/hotspot: meth: fix to intrinsic compilation; assembler tweaks for debugging; backtrace filtering

[John Rose]

On Jul 12, 2012, at 2:35 AM, Krystal Mok wrote:

> Unconditionally skipping some special frames in the stack trace may also make language implementers' lives hard when they're *developing* - it's analogous to when JVM implementers want to see all frames of a stack, including the native/VM internal ones, where as most Java developers would just want Java frames.

Yes.  Two points:  There is a -XX flag to disable the filtering, and the low-level crash dumps (hs_err*.log) are unfiltered.  — John
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