# HG changeset patch
# User Jeroen Demeyer <jdemeyer@cage.ugent.be>
# Date 1317286264 -7200
# Node ID 90b24e06fb6ab8fddf6c86797360761fb05432fd
# Parent 4ba749730979c602cf45aa8f03b5ecf4ed470783
Demonstrate the bug
diff --git a/sage/libs/pari/gen.pyx b/sage/libs/pari/gen.pyx
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a
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b
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| 443 | 443 | sig_off() |
| 444 | 444 | return h |
| 445 | 445 | |
| | 446 | def demonstrate_t1GEN_bug(self, a, b): |
| | 447 | """ |
| | 448 | This demonstrates Trac #11868. |
| | 449 | |
| | 450 | EXAMPLES:: |
| | 451 | |
| | 452 | sage: K.<t> = NumberField(x^3-x+1) |
| | 453 | sage: pari(0).demonstrate_t1GEN_bug(t+1,t+1) |
| | 454 | Traceback (most recent call last): |
| | 455 | ... |
| | 456 | RuntimeError: Segmentation fault |
| | 457 | """ |
| | 458 | t0GEN(a) |
| | 459 | |
| | 460 | print "### t0 ###" |
| | 461 | sig_on(); dbgGEN(t0,-1); sig_off() |
| | 462 | |
| | 463 | t1GEN(b) |
| | 464 | print "### t0 (after creating t1) ###" |
| | 465 | sig_on(); dbgGEN(t0,-1); sig_off() |
| | 466 | |
| 446 | 467 | def _testclass(self): |
| 447 | 468 | import test |
| 448 | 469 | T = test.testclass() |
