Mercurial > projects > ldc
view tests/mini/bug33.d @ 978:6a32d2e18175
Fix a latent bug in the asm code.
I think that technically, using "*m0" instead of "*0" allows LLVM to pick
between using the same memory as output 0 and using a new memory location.
(So far I haven't been able to construct a testcase that actually breaks
because of this, though)
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Wed, 18 Feb 2009 03:38:12 +0100 |
parents | 1bb99290e03a |
children |
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module bug33; extern(C) int memcmp(void*,void*,size_t); private int string_cmp(char[] s1, char[] s2) { auto len = s1.length; if (s2.length < len) len = s2.length; int result = memcmp(s1.ptr, s2.ptr, len); if (result == 0) result = cast(int)(cast(ptrdiff_t)s1.length - cast(ptrdiff_t)s2.length); return result; } struct S { char[] toString() { return "S"; } } int func() { S a,b; return string_cmp(a.toString(),b.toString()); } void main() { assert(func() == 0); }