diff --git a/compiler/src/dmd/imphint.d b/compiler/src/dmd/imphint.d
index ea2f13d917..9f9993fe66 100644
--- a/compiler/src/dmd/imphint.d
+++ b/compiler/src/dmd/imphint.d
@@ -80,6 +80,8 @@ shared static this()
         "writeln": "std.stdio",
         "__va_argsave_t": "core.stdc.stdarg",
         "__va_list_tag": "core.stdc.stdarg",
+        "InterpolationHeader": "core.interpolation",
+        "InterpolationFooter": "core.interpolation",
     ];
 }
 
diff --git a/compiler/test/fail_compilation/imphint.d b/compiler/test/fail_compilation/imphint.d
index 101e7862f3..7ca81f47aa 100644
--- a/compiler/test/fail_compilation/imphint.d
+++ b/compiler/test/fail_compilation/imphint.d
@@ -1,53 +1,60 @@
 /*
 TEST_OUTPUT:
 ---
-fail_compilation/imphint.d(53): Error: `printf` is not defined, perhaps `import core.stdc.stdio;` is needed?
-fail_compilation/imphint.d(54): Error: `writeln` is not defined, perhaps `import std.stdio;` is needed?
-fail_compilation/imphint.d(55): Error: `sin` is not defined, perhaps `import std.math;` is needed?
-fail_compilation/imphint.d(56): Error: `cos` is not defined, perhaps `import std.math;` is needed?
-fail_compilation/imphint.d(57): Error: `sqrt` is not defined, perhaps `import std.math;` is needed?
-fail_compilation/imphint.d(58): Error: `fabs` is not defined, perhaps `import std.math;` is needed?
-fail_compilation/imphint.d(61): Error: `AliasSeq` is not defined, perhaps `import std.meta;` is needed?
-fail_compilation/imphint.d(62): Error: `appender` is not defined, perhaps `import std.array;` is needed?
-fail_compilation/imphint.d(63): Error: `array` is not defined, perhaps `import std.array;` is needed?
-fail_compilation/imphint.d(64): Error: `calloc` is not defined, perhaps `import core.stdc.stdlib;` is needed?
-fail_compilation/imphint.d(65): Error: `chdir` is not defined, perhaps `import std.file;` is needed?
-fail_compilation/imphint.d(66): Error: `dirEntries` is not defined, perhaps `import std.file;` is needed?
-fail_compilation/imphint.d(67): Error: `drop` is not defined, perhaps `import std.range;` is needed?
-fail_compilation/imphint.d(68): Error: `each` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(69): Error: `empty` is not defined, perhaps `import std.range;` is needed?
-fail_compilation/imphint.d(70): Error: `enumerate` is not defined, perhaps `import std.range;` is needed?
-fail_compilation/imphint.d(71): Error: `endsWith` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(72): Error: `enforce` is not defined, perhaps `import std.exception;` is needed?
-fail_compilation/imphint.d(73): Error: `equal` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(74): Error: `exists` is not defined, perhaps `import std.file;` is needed?
-fail_compilation/imphint.d(75): Error: `filter` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(76): Error: `format` is not defined, perhaps `import std.format;` is needed?
-fail_compilation/imphint.d(77): Error: `free` is not defined, perhaps `import core.stdc.stdlib;` is needed?
-fail_compilation/imphint.d(78): Error: `front` is not defined, perhaps `import std.range;` is needed?
-fail_compilation/imphint.d(79): Error: `iota` is not defined, perhaps `import std.range;` is needed?
-fail_compilation/imphint.d(80): Error: `isDir` is not defined, perhaps `import std.file;` is needed?
-fail_compilation/imphint.d(81): Error: `isFile` is not defined, perhaps `import std.file;` is needed?
-fail_compilation/imphint.d(82): Error: `join` is not defined, perhaps `import std.array;` is needed?
-fail_compilation/imphint.d(83): Error: `joiner` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(84): Error: `malloc` is not defined, perhaps `import core.stdc.stdlib;` is needed?
-fail_compilation/imphint.d(85): Error: `map` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(86): Error: `max` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(87): Error: `min` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(88): Error: `mkdir` is not defined, perhaps `import std.file;` is needed?
-fail_compilation/imphint.d(89): Error: `popFront` is not defined, perhaps `import std.range;` is needed?
-fail_compilation/imphint.d(90): Error: `realloc` is not defined, perhaps `import core.stdc.stdlib;` is needed?
-fail_compilation/imphint.d(91): Error: `replace` is not defined, perhaps `import std.array;` is needed?
-fail_compilation/imphint.d(92): Error: `rmdir` is not defined, perhaps `import std.file;` is needed?
-fail_compilation/imphint.d(93): Error: `sort` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(94): Error: `split` is not defined, perhaps `import std.array;` is needed?
-fail_compilation/imphint.d(95): Error: `startsWith` is not defined, perhaps `import std.algorithm;` is needed?
-fail_compilation/imphint.d(96): Error: `take` is not defined, perhaps `import std.range;` is needed?
-fail_compilation/imphint.d(97): Error: `text` is not defined, perhaps `import std.conv;` is needed?
-fail_compilation/imphint.d(98): Error: `to` is not defined, perhaps `import std.conv;` is needed?
+fail_compilation/imphint.d(60): Error: `printf` is not defined, perhaps `import core.stdc.stdio;` is needed?
+fail_compilation/imphint.d(61): Error: `writeln` is not defined, perhaps `import std.stdio;` is needed?
+fail_compilation/imphint.d(62): Error: `sin` is not defined, perhaps `import std.math;` is needed?
+fail_compilation/imphint.d(63): Error: `cos` is not defined, perhaps `import std.math;` is needed?
+fail_compilation/imphint.d(64): Error: `sqrt` is not defined, perhaps `import std.math;` is needed?
+fail_compilation/imphint.d(65): Error: `fabs` is not defined, perhaps `import std.math;` is needed?
+fail_compilation/imphint.d(68): Error: `AliasSeq` is not defined, perhaps `import std.meta;` is needed?
+fail_compilation/imphint.d(69): Error: `appender` is not defined, perhaps `import std.array;` is needed?
+fail_compilation/imphint.d(70): Error: `array` is not defined, perhaps `import std.array;` is needed?
+fail_compilation/imphint.d(71): Error: `calloc` is not defined, perhaps `import core.stdc.stdlib;` is needed?
+fail_compilation/imphint.d(72): Error: `chdir` is not defined, perhaps `import std.file;` is needed?
+fail_compilation/imphint.d(73): Error: `dirEntries` is not defined, perhaps `import std.file;` is needed?
+fail_compilation/imphint.d(74): Error: `drop` is not defined, perhaps `import std.range;` is needed?
+fail_compilation/imphint.d(75): Error: `each` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(76): Error: `empty` is not defined, perhaps `import std.range;` is needed?
+fail_compilation/imphint.d(77): Error: `enumerate` is not defined, perhaps `import std.range;` is needed?
+fail_compilation/imphint.d(78): Error: `endsWith` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(79): Error: `enforce` is not defined, perhaps `import std.exception;` is needed?
+fail_compilation/imphint.d(80): Error: `equal` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(81): Error: `exists` is not defined, perhaps `import std.file;` is needed?
+fail_compilation/imphint.d(82): Error: `filter` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(83): Error: `format` is not defined, perhaps `import std.format;` is needed?
+fail_compilation/imphint.d(84): Error: `free` is not defined, perhaps `import core.stdc.stdlib;` is needed?
+fail_compilation/imphint.d(85): Error: `front` is not defined, perhaps `import std.range;` is needed?
+fail_compilation/imphint.d(86): Error: `iota` is not defined, perhaps `import std.range;` is needed?
+fail_compilation/imphint.d(87): Error: `isDir` is not defined, perhaps `import std.file;` is needed?
+fail_compilation/imphint.d(88): Error: `isFile` is not defined, perhaps `import std.file;` is needed?
+fail_compilation/imphint.d(89): Error: `join` is not defined, perhaps `import std.array;` is needed?
+fail_compilation/imphint.d(90): Error: `joiner` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(91): Error: `malloc` is not defined, perhaps `import core.stdc.stdlib;` is needed?
+fail_compilation/imphint.d(92): Error: `map` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(93): Error: `max` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(94): Error: `min` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(95): Error: `mkdir` is not defined, perhaps `import std.file;` is needed?
+fail_compilation/imphint.d(96): Error: `popFront` is not defined, perhaps `import std.range;` is needed?
+fail_compilation/imphint.d(97): Error: `realloc` is not defined, perhaps `import core.stdc.stdlib;` is needed?
+fail_compilation/imphint.d(98): Error: `replace` is not defined, perhaps `import std.array;` is needed?
+fail_compilation/imphint.d(99): Error: `rmdir` is not defined, perhaps `import std.file;` is needed?
+fail_compilation/imphint.d(100): Error: `sort` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(101): Error: `split` is not defined, perhaps `import std.array;` is needed?
+fail_compilation/imphint.d(102): Error: `startsWith` is not defined, perhaps `import std.algorithm;` is needed?
+fail_compilation/imphint.d(103): Error: `take` is not defined, perhaps `import std.range;` is needed?
+fail_compilation/imphint.d(104): Error: `text` is not defined, perhaps `import std.conv;` is needed?
+fail_compilation/imphint.d(105): Error: `to` is not defined, perhaps `import std.conv;` is needed?
+fail_compilation/imphint.d(107): Error: `InterpolationHeader` is not defined, perhaps `import core.interpolation;` ?
+fail_compilation/imphint.d(108): Error: template `heresy` is not callable using argument types `!()(InterpolationHeader, InterpolationFooter)`
+fail_compilation/imphint.d(107):        Candidate is: `heresy(Args...)(InterpolationHeader header, Args args, InterpolationFooter footer)`
 ---
 */
 
+
+
+
+
 void foo()
 {
     printf("hello world\n");
@@ -96,4 +103,7 @@ void foo()
     take();
     text();
     to();
+
+    void heresy(Args...)(InterpolationHeader header, Args args, InterpolationFooter footer) {}
+    heresy(i"");
 }