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Unused named function argument

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When compiling using gcc with, the below code will compile without any sort of error:


int foo (int)
{
     return 5;
}


Can the compilation result differ if I specify a name for the argument?

I can't see any way the naming of the parameter would ever make a difference in the actual compilation result.  The question arose because I noticed when compiling the following C program:


// Compile: gcc --std=c99 -c -pedantic -Wall -O3 foo.c
int foo (int)
{
     return 5;
}


The error: 'parameter name omitted' is output by the compiler.

Is there any non-obvious significance in the parameter name with C++11 or C99?


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Unused named function argument andrew.gottemoller@debesys.net - 2012-08-30 10:36 -0600
  Re: Unused named function argument James Kuyper <jameskuyper@verizon.net> - 2012-08-31 09:20 -0600
  Re: Unused named function argument Daniel Krügler<daniel.kruegler@googlemail.com> - 2012-09-05 11:24 -0700
    Re: Unused named function argument James Kuyper <jameskuyper@verizon.net> - 2012-09-06 13:04 -0600

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