Alexandre Oliva <[EMAIL PROTECTED]> writes:
> The patch at http://gcc.gnu.org/ml/gcc-patches/2001-07/msg00399.html
> added code to remove line number notes from the end of basic blocks
> after say turning a jump at the end of a basic block into a
> fallthrough edge.
>
> This unfortunately causes line number info from becoming incorrect for
> test programs such as:
>
> int x;
> int f() {
> x = 0;
> while(1);
> }
>
> We get line number notes for code only up to "x = 0;".
I assume this is only a problem when not optimizing.
Without looking at the code, the problem looks quite similar to one I
fixed here:
2005-07-18 Ian Lance Taylor <ian@airs.com>
PR middle-end/22057
* tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
blocks when optimizing.
Ian
