fixincludes/
	PR target/19933
	PR target/21315
	* inclhack.def: New fixes solaris_math_[1-9].
	* fixincl.x: Regenerate.
	* tests/base/iso/math_c99.h: New.

gcc/testsuite/
	* gcc.dg/c99-math.h: New
	* gcc.dg/c99-math-float-1.c: New test.
	* gcc.dg/c99-math-double-1.c: Likewise.
	* gcc.dg/c99-math-long-double-1.c: Likewise.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r99953