* langhooks.h (truthvalue_conversion): Remove.
	* langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
	LANG_HOOKS_TRUTHVALUE_CONVERSION.
	* system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
	* gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
	* c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.

ada:
	* misc.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.

cp:
	* cp-objcp-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.

fortran:
	* f95-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.

java:
	* lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.

treelang:
	* treetree.c (LANG_HOOKS_TRUTHVALUE_CONVERSION,
	tree_lang_truthvalue_conversion): Remove.
	* tree-convert.c: Don't call truthvalue_conversion.

From-SVN: r96947