bug#18995: Error: Could not reserve dynamic heap area.

[Andreas Schwab]

Eli Zaretskii <eliz@gnu.org> writes:

> It looked like a GCC bug at first, but as I tried to modify the source
> and look at the effect of that on the generated code, it finally
> dawned on me: GCC's loop-unrolling code simply correctly calculated
> that with the initial value of 0x68000000 and decrement of 0x00800000,
> the value of 'size' in the loop will never be less than 0x00100000,
> due to wraparound in the subtraction of unsigned values.

Before wraping around, size will become zero, which is definitely less
than 0x00100000.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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