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Bug 102493 - internal compiler error
Summary: internal compiler error
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Raw Hide
Classification: Retired
Component: gcc
Version: 1.0
Hardware: i686
OS: Linux
high
high
Target Milestone: ---
Assignee: Jakub Jelinek
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: CambridgeTarget
TreeView+ depends on / blocked
 
Reported: 2003-08-15 21:55 UTC by David Weenink
Modified: 2005-10-31 22:00 UTC (History)
0 users

Fixed In Version: 3.3.1-4
Clone Of:
Environment:
Last Closed: 2004-10-02 18:27:50 UTC
Embargoed:

Attachments (Terms of Use)
Preprocessed source (deleted)
2003-08-15 21:58 UTC, David Weenink 		no flags Details
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Description David Weenink 2003-08-15 21:55:27 UTC 
Description of problem: 
 
internal compiler error: 
 
Version-Release number of selected component (if applicable): 
 
gcc (GCC) 3.3.1 20030811 (Red Hat Linux 3.3.1-1) 
 
How reproducible: 
 
gcc -DUNIX -Wimplicit -Wreturn-type -Wunused -Wunused-parameter 
-Wuninitialized -Wmissing-prototypes -Wmissing-declarations -O -g -I 
/usr/X11R6/include -I /usr/src/linux/include -I ../sys -I ../dwsys -I 
../dwtools -I ../LPC -I ../fon   -c -o ManipulationEditor.o 
ManipulationEditor.c 
 
Steps to Reproduce: 
1. just compile 
2. 
3. 
     
Actual results: 
 
ManipulationEditor.c: In function `cb_addPitchPointAtSlice': 
ManipulationEditor.c:296: internal compiler error: in final_scan_insn, at 
final.c:2801 
Please submit a full bug report, 
with preprocessed source if appropriate. 
See <URL:http://bugzilla.redhat.com/bugzilla> for instructions. 
Preprocessed source stored into /tmp/ccMosjBq.out file, please attach this to 
your bugreport 
 
 
Expected results: 
 
Normal compilation 
 
Additional info: 
 
attached Preprocessed source
Comment 1 David Weenink 2003-08-15 21:58:19 UTC 
Created attachment 93670 [details]
Preprocessed source

Good luck it is a complicated file!
Comment 2 Jakub Jelinek 2003-08-16 23:21:48 UTC 
Reduced into:

/* { dg-do compile } */
/* { dg-options "-O" } */

struct A
{
  long a1;
  double *a2;
};

struct B
{
  void *b1;
  double b2, b3;
  struct
  {
    int d1;
    double d2;
  } b4;
};

struct C
{
  struct A *c1;
  void *c2;
};

long fn1 (struct A *, double);
void fn2 (void *, const char *);
double fn3 (double);
double fn4 (double);
int fn5 (void *, double, double);

int
foo (struct B *x)
{
  struct C *e = x->b1;
  struct A *f = e->c1;
  long g, h, i;
  double *j, k;
  g = fn1 (f, 0.5 * (x->b2 + x->b3)), h = g + 1, i = f->a1;
  j = f->a2, k = x->b4.d2;
  fn2 (x, "something");
  if (g <= 0)
    {
      double l = j[2] - j[1];
      if (l > 0.0 && l <= 0.02)
        k = (x->b4.d1 == 1
             ? ((1.0 / l) < 25 ? 25 : (1.0 / l))
             : fn3 ((1.0 / l) < 25 ? 25 : (1.0 / l)));
    }
  else
    {
      double m = j[h] - j[g], n = 0.0, l = 0.0;
      if (g > 1)
        n = j[g] - j[g - 1];
      if (h < i)
        l = j[h + 1] - j[h];
      if (n > 0.02)
        n = 0;
      if (m > 0.02)
        m = 0;
      if (l > 0.02)
        l = 0;
      if (m < n)
        {
          double o = m;
          m = n;
          n = o;
        }
      if (l < n)
        {
          double o = l;
          l = n;
          n = o;
        }
      if (l < m)
        {
          double o = l;
          l = m;
          m = o;
        }
      if (n != 0.0)
        k = (x->b4.d1 == 1
             ? ((1 / m) < 25 ? 25 : (1 / m))
             : fn3 ((1 / m) < 25 ? 25 : (1 / m)));
      else if (m != 0.0)
        k = (x->b4.d1 == 1
             ? ((2 / (m + l)) < 25 ? 25 : (2 / (m + l)))
             : fn3 ((2 / (m + l)) < 25 ? 25 : (2 / (m + l))));
      else if (l != 0.0)
        k = (x->b4.d1 == 1
             ? ((1 / l) < 25 ? 25 : (1 / l))
             : fn3 ((1 / l) < 25 ? 25 : (1 / l)));
    }
  fn5 (e->c2, 0.5 * (x->b2 + x->b3), (x->b4.d1 == 1 ? k : fn4 (k)));
  return 1;
}
Comment 3 Jakub Jelinek 2003-08-26 19:26:03 UTC 
http://gcc.gnu.org/ml/gcc-patches/2003-08/msg01516.html
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