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| author | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-01 02:09:00 +0000 |
|---|---|---|
| committer | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-01 02:09:00 +0000 |
| commit | c206bb4e96e1a68f7cf0548525600e91bdbbd9df (patch) | |
| tree | 312250e8d8088ea8f413facab65cc217f6170c86 /gcc/var-tracking.c | |
| parent | f155d038a32f4c8a86bf73e9fdf5d44005afc71d (diff) | |
| download | gcc-c206bb4e96e1a68f7cf0548525600e91bdbbd9df.tar.gz | |
PR debug/50869
* cselib.c (cfa_base_preserved_regno): Initialize.
(cselib_expand_value_rtx_1): Don't expand it.
* var-tracking.c (vt_expand_var_loc_chain): Initialize depth.
Check it's only zero if result is NULL.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180725 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/var-tracking.c')
| -rw-r--r-- | gcc/var-tracking.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c index 44bab38de00..11d4efdcdc2 100644 --- a/gcc/var-tracking.c +++ b/gcc/var-tracking.c @@ -7764,7 +7764,7 @@ vt_expand_var_loc_chain (variable var, bitmap regs, void *data, bool *pendrecp) bool pending_recursion; rtx loc_from = NULL; struct elt_loc_list *cloc = NULL; - int depth, saved_depth = elcd->depth; + int depth = 0, saved_depth = elcd->depth; /* Clear all backlinks pointing at this, so that we're not notified while we're active. */ @@ -7842,6 +7842,8 @@ vt_expand_var_loc_chain (variable var, bitmap regs, void *data, bool *pendrecp) VAR_LOC_FROM (var) = loc_from; VAR_LOC_DEPTH (var) = depth; + gcc_checking_assert (!depth == !result); + elcd->depth = update_depth (saved_depth, depth); /* Indicate whether any of the dependencies are pending recursion |