https://sourceware.org/bugzilla/show_bug.cgi?id=17447
--- Comment #3 from Alan Modra <amodra at gmail dot com> --- I installed Ubuntu 14.10 and had a look myself. We have a bunch of FDEs for a zero length address range.. 0003b830 0000000000000014 0003b834 FDE cie=00000000 pc=00000000003481a0..00000000003481a0 DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop 0003b848 0000000000000014 0003b84c FDE cie=00000000 pc=00000000003481a0..00000000003481a0 DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop [snipped quite a few more], then this one matching the same starting address but with non-zero range. 0003b968 0000000000000014 0003b96c FDE cie=00000000 pc=00000000003481a0..00000000003481a3 DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop DW_CFA_nop The zero-length FDEs seem to all be coming from CGStmtOpenMP.o in /usr/lib/llvm-3.5/lib/libclangCodeGen.a. This object file also defines a bunch of zero length function symbols.. These FDEs could indeed cause an unwinder problem. -- You are receiving this mail because: You are on the CC list for the bug. _______________________________________________ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils