Assertion failed: ((Lower != Upper || (Lower.isMaxValue() || Lower.isMinValue())) && "Lower == Upper, but they aren't min or max value!")

[dcci]

// $CLANG -Os compressed.cpp
struct info {
  info();
  int length;
};

struct tile {
  void init();
  int num_steps;
  info *step_info;
  float *coefficients, *coefficients_flipped;
};

void tile::init() {
  int i, j;
  new info[num_steps];
  for (i = 0, j = 0; j < num_steps; j++)
    i += step_info[j].length;
  coefficients_flipped = new float[i];
  for (; 0 < num_steps;)
    for (int k = 0;; k++)
      coefficients_flipped[k] = coefficients[-k];
}

[dcci]

Patch: https://reviews.llvm.org/D155255

[porglezomp]

It looks like this was intended for 17.x but was only merged to main, I opened a backport issue: #65408