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* [Bug sanitizer/64344] New: [5 Regression] [UBSAN] ICE with -fsanitize=float-cast-overflow [ICE in -fsanitize=float-cast-overflow]
@ 2014-12-17 17:25 burnus at gcc dot gnu.org
  2014-12-17 17:28 ` [Bug sanitizer/64344] " burnus at gcc dot gnu.org
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: burnus at gcc dot gnu.org @ 2014-12-17 17:25 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64344

            Bug ID: 64344
           Summary: [5 Regression] [UBSAN] ICE with
                    -fsanitize=float-cast-overflow [ICE in
                    -fsanitize=float-cast-overflow]
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: burnus at gcc dot gnu.org
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org,
                    mpolacek at gcc dot gnu.org

New since today:


$ gcc -w -fsanitize=float-cast-overflow new8.i

new8.i: In function ‘float2long’:
new8.i:11:23: internal compiler error: in -fsanitize=float-cast-overflow
   *exponent = (int32 )log((double )value);
                       ^
0x9058fb gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
        ../../gcc/gimplify.c:8451


For the following program:

/* ----------------------------------------------------------*/

typedef enum {
  PARAPROX_Q_EXTRA_FAST = 4
} pthread_cond_t;
extern int drand48_r (struct drand48_data *__restrict __buffer,
       int __reject3)
{
}
typedef int int32;
float2long(int32 *mantisse, int32 *exponent, float value)
{
  *exponent = (int32 )log((double )value);
}
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From: "Joost.VandeVondele at mat dot ethz.ch" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/64343] [5 Regression] lto compile options
Date: Wed, 17 Dec 2014 17:25:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idd343

Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #3 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> ---
OK,fine with me.


^ permalink raw reply	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2015-01-05 22:07 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-12-17 17:25 [Bug sanitizer/64344] New: [5 Regression] [UBSAN] ICE with -fsanitize=float-cast-overflow [ICE in -fsanitize=float-cast-overflow] burnus at gcc dot gnu.org
2014-12-17 17:28 ` [Bug sanitizer/64344] " burnus at gcc dot gnu.org
2014-12-18 10:08 ` jakub at gcc dot gnu.org
2015-01-05 21:47 ` jakub at gcc dot gnu.org
2015-01-05 22:07 ` jakub at gcc dot gnu.org

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