On 01.06.2017 14:59, Georg-Johann Lay wrote:
Hi, when I am running the gcc testsuite in $builddir/gcc then
FYI, I found the following thread which reports a similar problem, but without and solution :-( CC'ing Diego, maybe he remembers the solution from back then... https://gcc.gnu.org/ml/libstdc++/2011-03/msg00083.html
$ make check-gcc RUNTESTFLAGS='ubsan.exp' comes up with spurious fails. Running target unix Using /usr/share/dejagnu/baseboards/unix.exp as board description file for target. Using /usr/share/dejagnu/config/unix.exp as generic interface file for target. Using /home/georg/gnu/gcc.gnu.org/trunk/gcc/testsuite/config/default.exp as tool-and-target-specific interface file. Running /home/georg/gnu/gcc.gnu.org/trunk/gcc/testsuite/gcc.dg/ubsan/ubsan.exp ... FAIL: c-c++-common/ubsan/float-cast-overflow-8.c -O2 output pattern test FAIL: c-c++-common/ubsan/overflow-mul-4.c -O0 output pattern test ... when I am running the 1st test alone, then it works: $ make check-gcc RUNTESTFLAGS='ubsan.exp=float-cast-overflow-8.c' In an older log file I found for a different test from the same folder: /home/georg/gnu/gcc.gnu.org/trunk/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-7.h:149:1: runtime error: value <unknown> is outside the range of representable values of type 'unsigned int' /home/georg/gnu/gcc.gnu.org/trunk/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-7.h:149:1: runtime error: value <unknown> is outside the range of representable values of type 'long int' /home/georg/gnu/gcc.gnu.org/trunk/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-7.h:149:1: runtime error: PASS: c-c++-common/ubsan BANG: "PASS" output from previous test run shreds this one? /float-cast-overflow-10.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects execution test FAIL: c-c++-common/ubsan/float-cast-overflow-10.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects output pattern test Output was: c-c++-common/ubsan/float-cast-overflow-7.h:147:1: runtime error: value <unknown> is outside the range of representable values of type 'signed char' ... c-c++-common/ubsan/float-cast-overflow-7.h:149:1: runtime error: Should match: The last output line stops after "runtime error: ", i.e. at the place where the "PASS" appears. Any ideas? Johann
