https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96133
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org --- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Value numbering stmt = vect__68.15_89 = MEM <vector(2) double> [(double *)vectp_xyz_sRGB.12_85]; RHS MEM <vector(2) double> [(double *)vectp_xyz_sRGB.12_85] simplified to { 1.4308039999999999647428694515838287770748138427734375e-1, 0.0 } Setting value number of vect__68.15_89 to { 1.4308039999999999647428694515838287770748138427734375e-1, 0.0 } (changed) I guess we might be confused by the read crossing CTORs.