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c++: Add assert to tsubst.

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As discussed in the r11-7709 patch, we can now make sure that tsubst
never sees a FLOAT_EXPR, much like its counterpart FIX_TRUNC_EXPR.

gcc/cp/ChangeLog:

	* pt.c (tsubst_copy_and_build): Add assert.
This commit is contained in:
Marek Polacek 2021-03-17 19:39:10 -04:00
parent 55308fc263
commit c5e55673b4
1 changed files with 2 additions and 0 deletions
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2
gcc/cp/pt.c
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@ -19770,6 +19770,8 @@ tsubst_copy_and_build (tree t,
complain|decltype_flag));
case FIX_TRUNC_EXPR:
case FLOAT_EXPR:
/* convert_like should have created an IMPLICIT_CONV_EXPR. */
gcc_unreachable ();
case ADDR_EXPR: