http://d.puremagic.com/issues/show_bug.cgi?id=4220

           Summary: I cannot apply @safe to intrinsic operation(eg:
                    std.math.sqrt)
           Product: D
           Version: 2.041
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: zan77137@nifty.com


--- Comment #0 from SHOO <zan77137@nifty.com> 2010-05-22 19:27:36 PDT ---
I try to apply @safe/@trusted/@system to Phobos
See also http://lists.puremagic.com/pipermail/phobos/2010-May/000488.html
I found this issue there.

This issue causes mangling that had been influenced by @safe/@trusted.
dmd converts a specific symbol into intrinsic operation. However, dmd cannot
convert symbols that are marked by @safe/@trusted.
I am skeptical about the influence on mangling rule by @safe.
It may be related to overload, but I think that overload is unnecessary.

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla@digitalmars.com
         Resolution|                            |FIXED


--- Comment #1 from Walter Bright <bugzilla@digitalmars.com> 2010-05-23 21:23:26 PDT ---
changeset 499
(also requires new std.math)

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--- Comment #2 from Walter Bright <bugzilla@digitalmars.com> 2010-05-23 21:26:31 PDT ---
Requires the following changes to std.math:

317c317
< pure nothrow real cos(real x);       /* intrinsic */
---
> @safe pure nothrow real cos(real x);       /* intrinsic */
332c332
< pure nothrow real sin(real x);       /* intrinsic */
---
> @safe pure nothrow real sin(real x);       /* intrinsic */
397c397
< pure nothrow real tan(real x)
---
> @trusted pure nothrow real tan(real x)
808c808
< pure nothrow long rndtol(real x);    /* intrinsic */
---
> @safe pure nothrow long rndtol(real x);    /* intrinsic */
830c830
< pure nothrow
---
> @safe pure nothrow
1388c1388
< pure nothrow real ldexp(real n, int exp);    /* intrinsic */
---
> @safe pure nothrow real ldexp(real n, int exp);    /* intrinsic */
1582c1582
< pure nothrow real fabs(real x);      /* intrinsic */
---
> @safe pure nothrow real fabs(real x);      /* intrinsic */
1781c1781
< pure nothrow real rint(real x);      /* intrinsic */
---
> @safe pure nothrow real rint(real x);      /* intrinsic */
3610,3611c3610,3611
< pure nothrow real yl2x(real x, real y);         // y * log2(x)
< pure nothrow real yl2xp1(real x, real y);       // y * log2(x + 1)
---
> @safe pure nothrow real yl2x(real x, real y);         // y * log2(x)
> @safe pure nothrow real yl2xp1(real x, real y);       // y * log2(x + 1)

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