Disallow more than 77 fractional digits.

test/libsolidity/syntaxTests/nameAndTypeResolution/317_fixed_type_valid_explicit_conversions.sol

@@ -1,7 +1,7 @@
 contract test {
     function f() public {
-        ufixed256x18 a = ufixed256x18(1/3); a;
-        ufixed248x18 b = ufixed248x18(1/3); b;
+        ufixed256x77 a = ufixed256x77(1/3); a;
+        ufixed248x77 b = ufixed248x77(1/3); b;
         ufixed8x1 c = ufixed8x1(1/3); c;
     }
 }

test/libsolidity/syntaxTests/parsing/elemantary_non_address_payable_state_variable.sol

@@ -9,9 +9,9 @@ contract C {
     bytes payable h;
     bytes32 payable i;
     fixed payable j;
-    fixed80x80 payable k;
+    fixed80x77 payable k;
     ufixed payable l;
-    ufixed80x80 payable m;
+    ufixed80x77 payable m;
 }
 // ----
 // ParserError 9106: (22-29): State mutability can only be specified for address types.

test/libsolidity/syntaxTests/parsing/elementary_non_address_payable_argument.sol

@@ -9,9 +9,9 @@ contract C {
     function h(bytes payable) public pure {}
     function i(bytes32 payable) public pure {}
     function j(fixed payable) public pure {}
-    function k(fixed80x80 payable) public pure {}
+    function k(fixed80x77 payable) public pure {}
     function l(ufixed payable) public pure {}
-    function m(ufixed80x80 payable) public pure {}
+    function m(ufixed80x77 payable) public pure {}
 }
 // ----
 // ParserError 9106: (33-40): State mutability can only be specified for address types.

test/libsolidity/syntaxTests/parsing/elementary_non_address_payable_local.sol

@@ -10,9 +10,9 @@ contract C {
         bytes payable h;
         bytes32 payable i;
         fixed payable j;
-        fixed80x80 payable k;
+        fixed80x77 payable k;
         ufixed payable l;
-        ufixed80x80 payable m;
+        ufixed80x77 payable m;
     }
 }
 // ----

test/libsolidity/syntaxTests/parsing/elementary_non_address_payable_return.sol

@@ -9,9 +9,9 @@ contract C {
     function h() public pure returns (bytes payable) {}
     function i() public pure returns (bytes32 payable) {}
     function j() public pure returns (fixed payable) {}
-    function k() public pure returns (fixed80x80 payable) {}
+    function k() public pure returns (fixed80x77 payable) {}
     function l() public pure returns (ufixed payable) {}
-    function m() public pure returns (ufixed80x80 payable) {}
+    function m() public pure returns (ufixed80x77 payable) {}
 }
 // ----
 // ParserError 9106: (56-63): State mutability can only be specified for address types.

test/libsolidity/syntaxTests/types/too_small_negative_numbers.sol

@@ -1,5 +1,5 @@
 contract C {
-  fixed8x80 a = -1e-100;
+  fixed8x77 a = -1e-100;
 }
 // ----
-// TypeError 7407: (29-36): Type rational_const -1 / 1000...(93 digits omitted)...0000 is not implicitly convertible to expected type fixed8x80. Conversion incurs precision loss. Use an explicit conversion instead.
+// TypeError 7407: (29-36): Type rational_const -1 / 1000...(93 digits omitted)...0000 is not implicitly convertible to expected type fixed8x77. Conversion incurs precision loss. Use an explicit conversion instead.