diff --git a/gcc/gimplify.cc b/gcc/gimplify.cc index ab323d764e8cdf8ae4907338166978217d792710..c77a53bdfcee4919b2d880f1bc39776a6d1f5b08 100644 --- a/gcc/gimplify.cc +++ b/gcc/gimplify.cc @@ -6980,7 +6980,8 @@ gimplify_addr_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p) *expr_p = build_fold_addr_expr (op0); /* Make sure TREE_CONSTANT and TREE_SIDE_EFFECTS are set properly. */ - recompute_tree_invariant_for_addr_expr (*expr_p); + if (TREE_CODE (*expr_p) == ADDR_EXPR) + recompute_tree_invariant_for_addr_expr (*expr_p); /* If we re-built the ADDR_EXPR add a conversion to the original type if required. */ diff --git a/gcc/testsuite/gcc.dg/pr101478.c b/gcc/testsuite/gcc.dg/pr101478.c new file mode 100644 index 0000000000000000000000000000000000000000..527620ea0f11744692e25cca18629c523a1d914a --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr101478.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-options "" } */ + +struct obj { + int n; + int l; +}; +int main() +{ + (struct obj *)((char *)(__SIZE_TYPE__)({ 0; }) - (char *)&((struct obj *)0)->l); +}