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From: h.b.furuseth@usit.uio.no To: gcc-gnats@gcc.gnu.org Cc: h.b.furuseth@usit.uio.no Subject: c/3408: spurious, misplaced warning: 'will never be executed' Date: Mon, 25 Jun 2001 08:16:00 -0000 [thread overview] Message-ID: <E15EY1B-0003VP-00@bombur.uio.no> (raw) >Number: 3408 >Category: c >Synopsis: spurious, misplaced warning: 'will never be executed' >Confidential: no >Severity: non-critical >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Mon Jun 25 08:16:00 PDT 2001 >Closed-Date: >Last-Modified: >Originator: Hallvard B Furuseth >Release: 3.0 >Organization: >Environment: System: SunOS bombur.uio.no 5.8 Generic_108528-03 sun4u sparc SUNW,Ultra-5_10 Architecture: sun4 host: sparc-sun-solaris2.8 build: sparc-sun-solaris2.8 target: sparc-sun-solaris2.8 configured with: ./configure --quiet --prefix=/usit/bombur/hbf --program-suffix=-3.0 >Description: `-O3 -Wunreachable-code' gives a spurious `will never be executed' warning. It is misplaced as well; the warning it refers to function `c' - at line 6 which ends function `b'. >How-To-Repeat: bash$ cat a.c void a(void); void b(void) { a(); } /* line 6 */ void c(int i) { if (i) b(); } bash$ ./xgcc -B./ -O3 -Wunreachable-code -S a.c a.c: In function `c': a.c:6: warning: will never be executed >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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