http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48462
Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |wrong-code Known to work| |4.5.0 Summary|matmul Segmentation Fault |[4.6/4.7 Regression] matmul |with Allocatable Array |Segmentation Fault with | |Allocatable Array Known to fail| |4.6.1, 4.7.0 --- Comment #1 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-04-05 15:38:21 UTC --- so, the segfault is at run time. 4.5 is doing fine. ==14586== Invalid read of size 8 ==14586== at 0x4EC9AD1: _gfortran_matmul_r8 (matmul_r8.c:284) ==14586== by 0x400877: main (in /data03/vondele/bugs/a.out) ==14586== Address 0x0 is not stack'd, malloc'd or (recently) free'd looks like an important issue to me.