[Bug debug/19192] [4.3/4.4/4.5 Regression] Current development gcc generates inaccurate line info for example code

[jakub at gcc dot gnu dot org]

------- Comment #19 from jakub at gcc dot gnu dot org  2010-03-24 13:41 -------
Subject: Bug 19192

Author: jakub
Date: Wed Mar 24 13:41:30 2010
New Revision: 157693

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157693
Log:
        PR debug/19192
        PR debug/43479
        * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
        from gimple_block.
        * expr.c (expand_expr_real): Restore previous
        curr_insn_source_location and curr_insn_block after
        expand_expr_real_1 call.
        (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
        instead of expand_expr_real_1.

        * gcc.dg/guality/pr43479.c: New test.
        * gcc.dg/debug/dwarf2/inline2.c (third): Make a a global var
        and add volatile keyword.

Added:
    trunk/gcc/testsuite/gcc.dg/guality/pr43479.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/expr.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/debug/dwarf2/inline2.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19192