[gfortran] patch PR libfortran/19155

Mon May 9 09:58:00 GMT 2005

I propose this patch to fix PR libfortran/19115. With this patch, the I/O 
library accepts 'E+00' as a valid real number (with value 0.0). The standard 
says it is not a valid real number, but doesn't require an error.

Reasons for this choice: g77 accepts it, as well as numerous other Fortran 
compilers (Intel, Portland, Sun, IBM). It is even part of the NIST testsuite 
(one of the last NIST failures for gfortran).

Regtested on i386-linux. OK for mainline and 4.0?
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