[Bug c/12544] New: Large parameters used in ested functions

[hosking at cs dot purdue dot edu]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12544

           Summary: Large parameters used in ested functions
           Product: gcc
           Version: 3.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hosking at cs dot purdue dot edu
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: sparc-sun-solaris2.
  GCC host triplet: sparc-sun-solaris2.8
GCC target triplet: sparc-sun-solaris2.8

The following source program causes an ICE when compiled with optimization:

gcc -S -O test.c

The source program test.c is:

typedef struct {
  int a;
  int f;
} A;

A *b;

void x (A a) {
  void y () {
    a.a = 0;
  }

  b = &a;
  y();
}