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* [Bug c/44119] New: error: SSA name in freelist but still referenced @ 2010-05-13 15:22 regehr at cs dot utah dot edu 2010-05-13 15:27 ` [Bug c/44119] [4.6 Regressionerror: " rguenth at gcc dot gnu dot org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: regehr at cs dot utah dot edu @ 2010-05-13 15:22 UTC (permalink / raw) To: gcc-bugs [regehr@gamow tmp413]$ current-gcc -v Using built-in specs. COLLECT_GCC=current-gcc COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r159348-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../configure --with-libelf=/usr/local --enable-lto --prefix=/home/regehr/z/compiler-install/gcc-r159348-install --program-prefix=r159348- --enable-languages=c,c++ Thread model: posix gcc version 4.6.0 20100513 (experimental) (GCC) [regehr@gamow tmp413]$ current-gcc -O2 -c small.c small.c: In function 'func_96': small.c:32:7: warning: overflow in implicit constant conversion [-Woverflow] small.c:22:1: error: SSA name in freelist but still referenced pretmp.15_47 small.c:38:13: note: in statement # .MEM_24 = VDEF <.MEM_21(D)> *pretmp.8_41 = pretmp.15_47; small.c:22:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. [regehr@gamow tmp413]$ cat small.c typedef signed char int8_t; typedef short int int16_t; typedef int int32_t; typedef unsigned int uint32_t; static int8_t safe_mul_func_int16_t_s_s (int16_t si1, int8_t si2) { return si1 && si2 && si1 > +si2 || si1 && si2 && si2 < +si1 || si1 && si2 && si1 < +si2 || si1 && si2 && si1 && si2 < +si1 ? : si1 * si2; } struct S0 { }; int32_t g_72[7][4][1]; int32_t *g_184 = &g_72[1][2][0]; int32_t **g_224 = &g_184; struct S0 g_244 = { }; int8_t * func_96 (int8_t p_97, uint32_t p_98, uint32_t p_99) { struct S0 *l_243 = &g_244; int i; for (i = 0; i < 1; p_98 = 1) { int32_t *l_202[3]; int i; for (i = 0; i < 1; i++) l_202[i] = &g_72[2][2][0]; if (safe_mul_func_int16_t_s_s (0xC4CAF0, **g_224)) { if (p_98 && &l_243) { } else *g_224 = l_202[0]; for (0;; 1) { } } } return 0; } -- Summary: error: SSA name in freelist but still referenced Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: regehr at cs dot utah dot edu GCC build triplet: x86_64-unknown-linux-gnu GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44119 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/44119] [4.6 Regressionerror: SSA name in freelist but still referenced 2010-05-13 15:22 [Bug c/44119] New: error: SSA name in freelist but still referenced regehr at cs dot utah dot edu @ 2010-05-13 15:27 ` rguenth at gcc dot gnu dot org 2010-05-13 15:28 ` [Bug tree-optimization/44119] [4.6 Regression] error: " rguenth at gcc dot gnu dot org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-05-13 15:27 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from rguenth at gcc dot gnu dot org 2010-05-13 15:27 ------- Confirmed. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2010-05-13 15:27:39 date| | Summary|error: SSA name in freelist |[4.6 Regressionerror: SSA |but still referenced |name in freelist but still | |referenced http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44119 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/44119] [4.6 Regression] error: SSA name in freelist but still referenced 2010-05-13 15:22 [Bug c/44119] New: error: SSA name in freelist but still referenced regehr at cs dot utah dot edu 2010-05-13 15:27 ` [Bug c/44119] [4.6 Regressionerror: " rguenth at gcc dot gnu dot org @ 2010-05-13 15:28 ` rguenth at gcc dot gnu dot org 2010-05-14 20:19 ` rguenth at gcc dot gnu dot org 2010-05-14 20:22 ` rguenth at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-05-13 15:28 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from rguenth at gcc dot gnu dot org 2010-05-13 15:27 ------- The PRE change again. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |rguenth at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED Component|c |tree-optimization Last reconfirmed|2010-05-13 15:27:39 |2010-05-13 15:27:59 date| | Summary|[4.6 Regressionerror: SSA |[4.6 Regression] error: SSA |name in freelist but still |name in freelist but still |referenced |referenced Target Milestone|--- |4.6.0 Version|unknown |4.6.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44119 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/44119] [4.6 Regression] error: SSA name in freelist but still referenced 2010-05-13 15:22 [Bug c/44119] New: error: SSA name in freelist but still referenced regehr at cs dot utah dot edu 2010-05-13 15:27 ` [Bug c/44119] [4.6 Regressionerror: " rguenth at gcc dot gnu dot org 2010-05-13 15:28 ` [Bug tree-optimization/44119] [4.6 Regression] error: " rguenth at gcc dot gnu dot org @ 2010-05-14 20:19 ` rguenth at gcc dot gnu dot org 2010-05-14 20:22 ` rguenth at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-05-14 20:19 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from rguenth at gcc dot gnu dot org 2010-05-14 20:18 ------- Subject: Bug 44119 Author: rguenth Date: Fri May 14 20:18:34 2010 New Revision: 159412 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159412 Log: 2010-05-14 Richard Guenther <rguenther@suse.de> PR tree-optimization/44119 * tree-ssa-pre.c (eliminate): Properly mark replacement of a PHI node necessary. * gcc.c-torture/compile/pr44119.c: New testcase. Added: trunk/gcc/testsuite/gcc.c-torture/compile/pr44119.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-pre.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44119 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/44119] [4.6 Regression] error: SSA name in freelist but still referenced 2010-05-13 15:22 [Bug c/44119] New: error: SSA name in freelist but still referenced regehr at cs dot utah dot edu ` (2 preceding siblings ...) 2010-05-14 20:19 ` rguenth at gcc dot gnu dot org @ 2010-05-14 20:22 ` rguenth at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-05-14 20:22 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from rguenth at gcc dot gnu dot org 2010-05-14 20:22 ------- Fixed. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44119 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2010-05-14 20:22 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-05-13 15:22 [Bug c/44119] New: error: SSA name in freelist but still referenced regehr at cs dot utah dot edu 2010-05-13 15:27 ` [Bug c/44119] [4.6 Regressionerror: " rguenth at gcc dot gnu dot org 2010-05-13 15:28 ` [Bug tree-optimization/44119] [4.6 Regression] error: " rguenth at gcc dot gnu dot org 2010-05-14 20:19 ` rguenth at gcc dot gnu dot org 2010-05-14 20:22 ` rguenth at gcc dot gnu dot org
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