[Bug tree-optimization/79339] [7 Regression] Memory leak in gimple-ssa-sprintf.c

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79339

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 40650
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40650&action=edit
Untested patch