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Rev 49607 Rev 77879
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#ifdef HAVE_CONFIG_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#include <config.h>
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#endif /* HAVE_CONFIG_H */
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#endif /* HAVE_CONFIG_H */
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#include <assert.h>
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#include <assert.h>
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#include <limits.h>
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#include "tre-ast.h"
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#include "tre-ast.h"
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#include "tre-mem.h"
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#include "tre-mem.h"
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tre_ast_node_t *
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tre_ast_node_t *
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  node = tre_ast_new_node(mem, CATENATION, sizeof(tre_catenation_t));
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  node = tre_ast_new_node(mem, CATENATION, sizeof(tre_catenation_t));
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  if (node == NULL)
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  if (node == NULL)
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    return NULL;
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    return NULL;
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  ((tre_catenation_t *)node->obj)->left = left;
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  ((tre_catenation_t *)node->obj)->left = left;
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  ((tre_catenation_t *)node->obj)->right = right;
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  ((tre_catenation_t *)node->obj)->right = right;
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  // UBSAN warning in clang 10: signed integer overflow
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  double tmp = (double)left->num_submatches + (double)right->num_submatches;
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  if (tmp >= INT_MIN && tmp <= INT_MAX)
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  node->num_submatches = left->num_submatches + right->num_submatches;
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      node->num_submatches = left->num_submatches + right->num_submatches;
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  else node->num_submatches = 0;
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  return node;
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  return node;
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}
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}
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#ifdef TRE_DEBUG
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#ifdef TRE_DEBUG