http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45860
Summary: [4.6 Regression] ICE: verify_ssa failed: virtual SSA name for non-VOP decl at -O1 Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Created attachment 21937 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=21937 reduced testcase Might be related to PR45732 Compiler output: $ gcc -O pr45860.c pr45860.c: In function 'foo': pr45860.c:2:1: error: virtual SSA name for non-VOP decl while verifying SSA_NAME cstore.1_7 in statement # .MEM_13 = VDEF <.MEM_10> cstore.1_7 = MEM[(char * {ref-all})D.2686_4]; pr45860.c:2:1: error: virtual SSA name for non-VOP decl while verifying SSA_NAME cstore.1_8 in statement cstore.1_8 = PHI <cstore.1_7(3), ""(2)> pr45860.c:2:1: error: virtual SSA name for non-VOP decl pr45860.c:2:1: error: missing definition for SSA_NAME: cstore.1_7 in statement: cstore.1_8 = PHI <cstore.1_7(3), ""(2)> PHI argument cstore.1_7 for PHI node cstore.1_8 = PHI <cstore.1_7(3), ""(2)> pr45860.c:2:1: internal compiler error: verify_ssa failed Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Tested revisions: r164716 - crash r163636 - OK