[Bug c/29132] [4.2 Regression] Mips exception handling broken.

["roger at eyesopen dot com" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #1 from roger at eyesopen dot com  2006-09-18 21:27 -------
Hi David,

I was wondering if you have a MIPS tree handy, whether you could easily
test the following single line patch:

Index: dwarf2out.c
===================================================================
*** dwarf2out.c (revision 117035)
--- dwarf2out.c (working copy)
*************** dwarf2out_begin_prologue (unsigned int l
*** 2572,2578 ****
    fde = &fde_table[fde_table_in_use++];
    fde->decl = current_function_decl;
    fde->dw_fde_begin = dup_label;
!   fde->dw_fde_current_label = NULL;
    fde->dw_fde_hot_section_label = NULL;
    fde->dw_fde_hot_section_end_label = NULL;
    fde->dw_fde_unlikely_section_label = NULL;
--- 2572,2578 ----
    fde = &fde_table[fde_table_in_use++];
    fde->decl = current_function_decl;
    fde->dw_fde_begin = dup_label;
!   fde->dw_fde_current_label = dup_label;
    fde->dw_fde_hot_section_label = NULL;
    fde->dw_fde_hot_section_end_label = NULL;
    fde->dw_fde_unlikely_section_label = NULL;

Due to all the abstraction with debugging formats, its difficult to tell the
order in which things get executed, and whether this initial value for
dw_fde_current_label survives long enough to avoid use of a set_loc.

Many thanks in advance,


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29132