http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48757
Summary: internal compiler error: in compensate_edge, at
reg-stack.c:2788
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: chiliki...@gmail.com
Created attachment 24093
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24093
fconc64.f (from CERNLIB / MATHLIB, simplified)
Version of compiler: 4.6.0
The same problem exists in version 4.5.2
System type and configuration of the compiler:
Target: i686-pc-linux-gnu
Configured with: ./configure --prefix=/opt/gcc-4.6.0/
Thread model: posix
Triggering the bug (fconc64.f is attached file):
gfortran -c -O2 fconc64.f
The bug does not occur without optimization flag -O2
Compiler output:
fconc64.f:18.72:
ASSIGN 1 TO JP
1
Warning: Deleted feature: ASSIGN statement at (1)
fconc64.f:20.72:
1 ASSIGN 2 TO JP
1
Warning: Deleted feature: ASSIGN statement at (1)
fconc64.f:24.72:
12 ASSIGN 3 TO JP
1
Warning: Deleted feature: ASSIGN statement at (1)
fconc64.f:28.72:
13 ASSIGN 4 TO JP
1
Warning: Deleted feature: ASSIGN statement at (1)
fconc64.f:36.38:
IF(ABS(R-RR) .LT. EPS) GO TO JP, (1,2,3,4)
1
Warning: Deleted feature: Assigned GOTO statement at (1)
fconc64.f:43.38:
IF(ABS(R-RR) .LT. EPS) GO TO JP, (1,2,3,4)
1
Warning: Deleted feature: Assigned GOTO statement at (1)
fconc64.f: In function 'dfconc':
fconc64.f:52:0: internal compiler error: in compensate_edge, at
reg-stack.c:2788
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
