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Diffstat (limited to 'gcc/tree-ssanames.c')
| -rw-r--r-- | gcc/tree-ssanames.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-ssanames.c b/gcc/tree-ssanames.c index 1142492430e..2d7d45242eb 100644 --- a/gcc/tree-ssanames.c +++ b/gcc/tree-ssanames.c @@ -114,7 +114,8 @@ make_ssa_name (tree var, tree stmt) #if defined ENABLE_CHECKING if ((!DECL_P (var) && TREE_CODE (var) != INDIRECT_REF) - || (!IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (stmt))) + || (stmt + && !IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (stmt))) && TREE_CODE (stmt) != PHI_NODE)) abort (); #endif @@ -166,6 +167,9 @@ make_ssa_name (tree var, tree stmt) void release_ssa_name (tree var) { + if (!var) + return; + /* release_ssa_name can be called multiple times on a single SSA_NAME. However, it should only end up on our free list one time. We keep a status bit in the SSA_NAME node itself to indicate it has |