m68k.c: Include tree.h for dwarf2out_cfi_label.

        * m68k.c: Include tree.h for dwarf2out_cfi_label.

        * gcc.c (process_command): Do not take address of function fatal when
        calling lang_specific_driver.

        * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
        doesn't work with it yet, so set it to 0.
        * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.

        * cse.c (cse_insn): Check for invalid entries when taking references.
More assorted pending patches.

From-SVN: r16978

1 files changed, 5 insertions, 0 deletions

diff --git a/gcc/cse.c b/gcc/cse.c
index 1f5504a..593d075 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -7463,6 +7463,11 @@ cse_insn (insn, in_libcall_block)
 		  merge_equiv_classes (src_elt, classp);
 
 		classp = src_elt->first_same_value;
+		/* Ignore invalid entries.  */
+		while (classp
+		       && GET_CODE (classp->exp) != REG
+		       && ! exp_equiv_p (classp->exp, classp->exp, 1, 0))
+		  classp = classp->next_same_value;
 	      }
 	  }
       }