[Bug tree-optimization/31081] [4.3 Regression] Inliner messes up SSA for abnormals

[rguenth at gcc dot gnu dot org]

------- Comment #7 from rguenth at gcc dot gnu dot org  2007-10-31 12:24 -------
Another, similar testcase.  ICEs at -O and above with

Unable to coalesce ssa_names 23 and 15 which are marked as MUST COALESCE.
SR.8_23(ab) and  SR.8_15(ab)
t.ii: In function 'int main(int, char**)':
t.ii:36: internal compiler error: SSA corruption
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


class String;

class CString
{
public:
    CString();
    ~CString() { operator delete(_rep); }
    operator const char*() const { return _rep; }
private:
    CString(char* cstr);
    char* _rep;
};

class String
{
public:

    String();
    String(const char* str);
    ~String();
    CString getCString() const;
};

int is_absolute_path(const char *path);

inline void getAbsolutePath(
    const char* path,
    const String& filename)
{
    (!is_absolute_path(filename.getCString()) && path);
    return;
}

int foo(int &value);

int main(int argc, char** argv)
{
    int repeatTestCount = 0;
    if (foo(repeatTestCount))
    {
        repeatTestCount = 1;
    }
    for (int numTests = 1; numTests <= repeatTestCount; numTests++)
    {
            getAbsolutePath("blah", "blah");
    }
    return 0;
}


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31081