digitalmars.D.bugs - [Issue 5239] New: optimizer misreports an used before set error
- d-bugmail puremagic.com (28/28) Nov 18 2010 http://d.puremagic.com/issues/show_bug.cgi?id=5239
- d-bugmail puremagic.com (28/28) Aug 03 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5239
- d-bugmail puremagic.com (13/13) Aug 03 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5239
http://d.puremagic.com/issues/show_bug.cgi?id=5239 Summary: optimizer misreports an used before set error Product: D Version: D2 Platform: Other OS/Version: All Status: NEW Severity: normal Priority: P2 Component: DMD AssignedTo: nobody puremagic.com ReportedBy: braddr puremagic.com --- (an excerpt from runnable/interpret.d) struct S { int x; } template Compileable(int z) { bool OK=true;} int goodfoo3() { S[4] w = void; // uninitialized array of structs w[$-2].x = 217; // initialize one member return w[2].x; // line 8 } $ dmd -c -O f.d f.d(8): Error: variable w used before set note: filed as d2, but might well exist on d1 as well.. untested -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Nov 18 2010
http://d.puremagic.com/issues/show_bug.cgi?id=5239 --- Part of the test case for bug 6293 triggers this bug when built with -O. See runnable/xtet46.d, test6293(). The buggy part is hidden behind version(none). class C6293 { C6293 token; } void f6293(in C6293[] a) pure { auto x0 = a[0].token; assert(x0 is a[0].token.token.token); assert(x0 is (&x0).token); version(none) { auto p1 = &x0 + 1; assert(x0 is (p1 - 1).token); } int c = 0; assert(x0 is a[c].token); } void test6293() { auto x = new C6293; x.token = x; f6293([x]); } See also: https://github.com/D-Programming-Language/dmd/pull/243 -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Aug 03 2011
http://d.puremagic.com/issues/show_bug.cgi?id=5239 Walter Bright <bugzilla digitalmars.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |bugzilla digitalmars.com Resolution| |FIXED 17:13:21 PDT --- https://github.com/D-Programming-Language/dmd/commit/847abf5348b39b6b483cd11280b04d8590f722e5 https://github.com/D-Programming-Language/dmd/commit/12a19326129398af62da52dff86b9cf9f381d7dd -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Aug 03 2011