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Bug 11224 – Inlining stops NRVO

Status: RESOLVED
Resolution: FIXED
Severity: normal
Priority: P2
Component: dmd
Product: D
Version: D2
Platform: All
OS: All
Creation time: 2013-10-11T03:21:00Z
Last change time: 2013-11-08T00:07:30Z
Keywords: pull, wrong-code
Assigned to: nobody
Creator: k.hara.pg

Comments

Comment #0 by k.hara.pg — 2013-10-11T03:21:24Z

Test code: ------------ extern(C) int printf(const char*, ...); struct S { this(int) { printf("ctor &this = %p\n", &this); } int num; } S foo() { S s = S(1); printf("foo &this = %p\n", &s); return s; } void main() { auto s = foo(); printf("main &this = %p\n", &s); } Output: ------------ $ dmd -run test ctor &this = 0012FE20 foo &this = 0012FE20 main &this = 0012FE20 ------------ $ dmd -inline -run test ctor &this = 0012FE1C foo &this = 0012FE1C main &this = 0012FE18 // variable is moved!

Comment #1 by k.hara.pg — 2013-10-11T03:24:11Z

https://github.com/D-Programming-Language/dmd/pull/2592

Comment #2 by github-bugzilla — 2013-11-08T00:06:36Z

Commit pushed to master at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/c97eb655649fbf3ca03fc3f3f045de8ec8784521 fix Issue 11224 - Inlining stops NRVO