Standard pragmas

A standard pragma is a pragma preprocessor directive for which the C Standard defines the syntax and semantics and for which no macro replacement is performed. A standard pragma must be one of the following:
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>>-#pragma--STDC--+-FP_CONTRACT------+--+-ON------+--new-line--><
                  +-FENV_ACCESS------+  +-OFF-----+             
                  '-CX_LIMITED_RANGE-'  '-DEFAULT-'             

These pragmas are recognized and ignored.