[Bug other/63504] [5 Regression] Issues found by --enable-checking=valgrind

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63504

--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Created attachment 33693
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33693&action=edit
testcase for issue 2)

2)
 % valgrind --track-origins=yes --trace-children=yes ./gcc/xgcc -Bgcc -c -S
-std=gnu11 -fcx-fortran-rules -O2 ../read.i