gcc bugs

[=?koi8-r?Q?=F4=C1=DB=CC=D9=CB=CF=D7_=EE=2E=F7=2E?= <Eng at dzerbank dot perm dot ru>]

Title: gcc bugs

 To: bug-gcc@gnu.org
 Subj : gcc bugs
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Operating system: OS/2 ver 4.00 revision 9.023
Type of machine: Intel Celeron
I download executable files of GNU Fortran and GNU C,C++ from FIDO.

>g77 -v

g77 version pgcc-2.95.2 19991024 (release) (from FSF-g77 version 0.5.25
19991024
 (release))
Driving: E:\EMX\BIN\g77.exe -v -c -xf77-version /dev/null -xnone
g77.exe: /dev/null: No such file or directory
Reading specs from E:/EMX/lib/gcc-lib/i386-pc-os2_emx/pgcc-2.95.2/specs
gcc version pgcc-2.95.2 19991024 (release)

>emxrev.cmd

EMX : revision = 60
EMXIO : revision = 60
EMXLIBC : revision = 60
EMXLIBCM : revision = 62
EMXLIBCS : revision = 62
EMXWRAP : revision = 60

source code of bug.f

        program bug
        real*8 x,y
        x=2
        y=dsqrt(x)
        write(*,*) dsqrt(x)
        stop
        end

>g77 -c bug.f

bug.f: In program `bug':
bug.f:4:
           y=dsqrt(x)
           1 2
Type disagreement between expressions at (1) and (2)

>Why ? What is wrong ? What type is dsqrt() ?

Process terminated by SIGSEGV
core dumped
g77.exe: Internal compiler error: program f771 got fatal signal 11

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