[PING][PATCH] correct handling of EXCESS_PRECISION_EXPR in function calls (PR 88091)

[Joseph Myers]

On Mon, 26 Nov 2018, Martin Sebor wrote:

> Ping: https://gcc.gnu.org/ml/gcc-patches/2018-11/msg01674.html

This patch needs an update to the comment on convert_argument to explain 
the semantics of the new valtype parameter and how it differs from the 
previously used TREE_TYPE (val).

-- 
Joseph S. Myers
joseph@codesourcery.com