C stack backtrace & registers: rax 0x00fc67e4 rbx 0x7ffca58b6430 rcx 0x021b3de0 rdx 0x02186a68 rdi 0x7ffca58b64e0 rsi 0x7ffca58b64e0 rbp 0x7ffca587e6a0 rsp 0x7ffca587e610 r8 0x7ffca587e6b0 r9 0x00000075 r10 0x0000000e r11 0x000131b8 r12 0x02991ed9 r13 0x00000000 r14 0x00000000 r15 0x00000000 rip 0x0045efc9 *./pharo-vm/lib/pharo/5.0-201901051900/pharo(interpret+0x1a99)[0x45efc9] ./pharo-vm/lib/pharo/5.0-201901051900/pharo[0x41b0d3] ./pharo-vm/lib/pharo/5.0-201901051900/pharo[0x41cb2e] /lib/x86_64-linux-gnu/libpthread.so.0(+0x12890)[0x7fc766bf2890] ./pharo-vm/lib/pharo/5.0-201901051900/pharo(interpret+0x1a99)[0x45efc9] ./pharo-vm/lib/pharo/5.0-201901051900/pharo[0x468be6] ./pharo-vm/lib/pharo/5.0-201901051900/pharo(interpret+0x246)[0x45d776] ./pharo-vm/lib/pharo/5.0-201901051900/pharo(main+0x2fa)[0x41a5ba] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7)[0x7fc766810b97] ./pharo-vm/lib/pharo/5.0-201901051900/pharo[0x41a8e4] [0x0] Smalltalk stack dump: 0x7ffca58b64e0 I Array(ExternalFunction)>invokeWithArguments: 0x21b3de0: a(n) Array 0x7ffca58b6520 M MozClipper>primPushClipRectangleX:y:width:height: 0x2187658: a(n) MozClipper 0x7ffca58b65a0 I FFICalloutAPI>function:module: 0x21878d0: a(n) FFICalloutAPI 0x7ffca58b65f0 I MozClipper(Object)>ffiCall: 0x2187658: a(n) MozClipper 0x7ffca58b6638 I MozClipper>primPushClipRectangleX:y:width:height: 0x2187658: a(n) MozClipper 0x7ffca58b6698 I MozClipper>pushRectangle: 0x2187658: a(n) MozClipper 0x7ffca58be0e8 I Rectangle>spartaClipOn:with: 0x2187448: a(n) Rectangle 0x7ffca58be138 I MozClipper(SpartaClipper)>push: 0x2187658: a(n) MozClipper 0x7ffca58be180 I MozClipper(SpartaClipper)>by:during: 0x2187658: a(n) MozClipper 0x7ffca58be1e0 M MozClipperTests>testPureClip 0x2162060: a(n) MozClipperTests 0x7ffca58be220 I MozClipperTests(TestCase)>performTest 0x2162060: a(n) MozClipperTests 0x7ffca58be250 M [] in MozClipperTests(TestCase)>runCase 0x2162060: a(n) MozClipperTests 0x7ffca58be290 M BlockClosure>ensure: 0x2164020: a(n) BlockClosure 0x7ffca58be2d8 I MozClipperTests(TestCase)>runCase 0x2162060: a(n) MozClipperTests 0x7ffca58be310 M [] in TestExecutionEnvironment>runTestCaseSafelly: 0x2162218: a(n) TestExecutionEnvironment 0x7ffca58be340 M BlockClosure>on:do: 0x2163f00: a(n) BlockClosure 0x7ffca58be388 M [] in TestExecutionEnvironment>runTestCaseSafelly: 0x2162218: a(n) TestExecutionEnvironment 0x7ffca58be3b8 M BlockClosure>on:do: 0x2163d78: a(n) BlockClosure 0x7ffca58be408 I TestExecutionEnvironment>runTestCaseSafelly: 0x2162218: a(n) TestExecutionEnvironment 0x7ffca58be448 M [] in TestExecutionEnvironment>runTestCase: 0x2162218: a(n) TestExecutionEnvironment 0x7ffca58be488 M BlockClosure>ensure: 0x2163c78: a(n) BlockClosure 0x7ffca58be4c8 M [] in TestExecutionEnvironment>runTestCase: 0x2162218: a(n) TestExecutionEnvironment 0x7ffca58be508 M BlockClosure>ifCurtailed: 0x2163b78: a(n) BlockClosure 0x7ffca58be550 I TestExecutionEnvironment>runTestCase: 0x2162218: a(n) TestExecutionEnvironment 0x7ffca58be598 I CurrentExecutionEnvironment class>runTestCase: 0x25025a8: a(n) CurrentExecutionEnvironment class 0x7ffca58be5e0 I MozClipperTests(TestCase)>runCaseManaged 0x2162060: a(n) MozClipperTests 0x7ffca58be618 M [] in TestResult>runCase: 0x2160f10: a(n) TestResult 0x7ffca58be648 M BlockClosure>on:do: 0x2163450: a(n) BlockClosure 0x7ffca58be698 I TestResult>runCase: 0x2160f10: a(n) TestResult 0x7ffca58b7fb8 I MozClipperTests(TestCase)>run: 0x2162060: a(n) MozClipperTests