250814.080355.CST [skip ci] add todo

Author: zaikunzhang

todo/TODO.20250814

@@ -0,0 +1,14 @@
+1. Flang tests fail with segfaults when problems are big due to big array sizes (eye, outprod, etc).
+   See
+   https://github.com/zequipe/prima/actions/runs/16951338278/job/48044587461
+   https://github.com/sprimalib/prima/actions/workflows/stress_test_fortran.yml
+   Update flang and test again. See
+   https://github.com/llvm/llvm-project/issues/88344
+
+2. Sunf95 tests fail (git 3355686, seed 2533
+
+   COBYLA: XFILT contains NaN: (cobyla -O1, big)
+   https://github.com/zequipe/prima/actions/runs/16944539338/job/48022078759
+
+   UOBYQA:  UPDATE: Assertion fails: FVAL(KOPT) = MINVAL(FVAL).
+   https://github.com/zequipe/prima/actions/runs/16944539338/job/48022078856

todo/TODO_mat

@@ -18,3 +18,13 @@ increases the trust-region radius, leading to a very different iterate compared
 version.
 
 4. The infos (exitflags) should be returned from a function, not to hard code them.
+
+5. 20250814 Update matlab/compile.m to include
+
+-ftrampoline-impl=heap
+
+in the compilation flags for gfortran 14+. This will remove the warnings about executable stack.
+After doing so, remember to run all the test with MATLAB R2024b-, as the internal procedures were
+removed in R2025a.
+
+In addition, try the linker option `-Wl,-z,noexecstack`, which marks the stack as non-executable.