[clang] Fix printing of templated records. (PR #86339)
mikaelholmen wrote:
> @zahiraam I still get
>
> ```
> ../../clang/unittests/AST/DeclPrinterTest.cpp:1394:3: error: expression
> result unused [-Werror,-Wunused-value]
> [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
> ^
> ../../clang/unittests/AST/DeclPrinterTest.cpp:1405:3: error: expression
> result unused [-Werror,-Wunused-value]
> [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
> ^
> ../../clang/unittests/AST/DeclPrinterTest.cpp:1416:3: error: expression
> result unused [-Werror,-Wunused-value]
> [](PrintingPolicy ) { Policy.SuppressTagKeyword = true; };
> ^~~~
> ../../clang/unittests/AST/DeclPrinterTest.cpp:1435:3: error: expression
> result unused [-Werror,-Wunused-value]
> [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
> ^
> ../../clang/unittests/AST/DeclPrinterTest.cpp:1455:3: error: expression
> result unused [-Werror,-Wunused-value]
> [](PrintingPolicy ) { Policy.SuppressTagKeyword = true; };
> ^~~~
> 5 errors generated.
> ```
>
> This has been broken for quite a while now, can you please fix or revert?
Thank you @alinas for fixing the problem in 577e0ef94fb0 !
https://github.com/llvm/llvm-project/pull/86339
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[clang] Fix printing of templated records. (PR #86339)
mikaelholmen wrote:
@zahiraam I still get
```
../../clang/unittests/AST/DeclPrinterTest.cpp:1394:3: error: expression result
unused [-Werror,-Wunused-value]
[](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
^
../../clang/unittests/AST/DeclPrinterTest.cpp:1405:3: error: expression result
unused [-Werror,-Wunused-value]
[](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
^
../../clang/unittests/AST/DeclPrinterTest.cpp:1416:3: error: expression result
unused [-Werror,-Wunused-value]
[](PrintingPolicy ) { Policy.SuppressTagKeyword = true; };
^~~~
../../clang/unittests/AST/DeclPrinterTest.cpp:1435:3: error: expression result
unused [-Werror,-Wunused-value]
[](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
^
../../clang/unittests/AST/DeclPrinterTest.cpp:1455:3: error: expression result
unused [-Werror,-Wunused-value]
[](PrintingPolicy ) { Policy.SuppressTagKeyword = true; };
^~~~
5 errors generated.
```
This has been broken for quite a while now, can you please fix or revert?
https://github.com/llvm/llvm-project/pull/86339
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[clang] Fix printing of templated records. (PR #86339)
zahiraam wrote: oh! I think I know what the issue is. I have a fix for it. PR following up. https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
amy-kwan wrote: This also fails on PPC, as well: https://lab.llvm.org/buildbot/#/builders/36/builds/43998/steps/12/logs/stdio https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
kazutakahirata wrote: Looking at other examples, should the lambda expression be the last argument to `ASSERT_TRUE`? https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
kazutakahirata wrote:
> Creating a PR with `[](PrintingPolicy [[maybe_unused]] & Policy) {
> Policy.SuppressTagKeyword = true; };` on those tests.
I get this error while running `ninja check-clang-unit`. My build tree is
configured with `-DCMAKE_CXX_COMPILER=/usr/bin/clang++` and
`-DLLVM_ENABLE_WERROR=On`.
By the way:
```
[](PrintingPolicy [[maybe_unused]] ) { Policy.SuppressTagKeyword =
false; };
```
would result in:
```
clang/unittests/AST/DeclPrinterTest.cpp:1394:23: error: 'maybe_unused'
attribute cannot be applied to types
```
```
[[maybe_unused]] [](PrintingPolicy ) { Policy.SuppressTagKeyword =
false; };
```
would result in:
```
clang/unittests/AST/DeclPrinterTest.cpp:1394:5: error: 'maybe_unused' attribute
cannot be applied to a statement
```
I don't know where to put `[[maybe_unused]]`.
https://github.com/llvm/llvm-project/pull/86339
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[clang] Fix printing of templated records. (PR #86339)
zahiraam wrote:
Creating a PR with
`[](PrintingPolicy [[maybe_unused]] & Policy) {
Policy.SuppressTagKeyword = true;
};`
on those tests.
https://github.com/llvm/llvm-project/pull/86339
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[clang] Fix printing of templated records. (PR #86339)
zahiraam wrote:
> I'm getting errors like:
>
> ```
> llvm-project/clang/unittests/AST/DeclPrinterTest.cpp:1394:3: error:
> expression result unused [-Werror,-Wunused-value]
> [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
> ```
>
> This file being a clang test, I am wondering if this is actually part of the
> test. Shall we put `[[maybe_unused]]` here?
@kazutakahirata When do you get this error?
https://github.com/llvm/llvm-project/pull/86339
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[clang] Fix printing of templated records. (PR #86339)
kazutakahirata wrote:
I'm getting errors like:
```
llvm-project/clang/unittests/AST/DeclPrinterTest.cpp:1394:3: error: expression
result unused [-Werror,-Wunused-value]
[](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
```
This file being a clang test, I am wondering if this is actually part of the
test. Shall we put `[[maybe_unused]]` here?
https://github.com/llvm/llvm-project/pull/86339
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[clang] Fix printing of templated records. (PR #86339)
https://github.com/zahiraam closed https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
zahiraam wrote: @AaronBallman Thanks! https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
https://github.com/AaronBallman approved this pull request. Good catch, LGTM! https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
https://github.com/zahiraam edited https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
https://github.com/zahiraam edited https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
@@ -2303,11 +2303,6 @@ printTo(raw_ostream , ArrayRef Args, const
PrintingPolicy ,
} else {
if (!FirstArg)
OS << Comma;
- if (!Policy.SuppressTagKeyword &&
- Argument.getKind() == TemplateArgument::Type &&
- isa(Argument.getAsType()))
-OS << Argument.getAsType().getAsString();
- else
zahiraam wrote:
This code was wrongly added in
https://github.com/intel/llvm/commit/6503b015d4a8 and was not reached by any
tests. Some of our internal testing did hit this and realized the code was
wrong. Created reproducers from internal tests to show that the code is wrong.
https://github.com/llvm/llvm-project/pull/86339
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[clang] Fix printing of templated records. (PR #86339)
llvmbot wrote:
@llvm/pr-subscribers-clang
Author: Zahira Ammarguellat (zahiraam)
Changes
Fixed the printing of templated argument list and added test case.
---
Full diff: https://github.com/llvm/llvm-project/pull/86339.diff
2 Files Affected:
- (modified) clang/lib/AST/TypePrinter.cpp (-5)
- (modified) clang/unittests/AST/DeclPrinterTest.cpp (+69)
``diff
diff --git a/clang/lib/AST/TypePrinter.cpp b/clang/lib/AST/TypePrinter.cpp
index 7032ff2f18468c..d9504f9dcb3899 100644
--- a/clang/lib/AST/TypePrinter.cpp
+++ b/clang/lib/AST/TypePrinter.cpp
@@ -2303,11 +2303,6 @@ printTo(raw_ostream , ArrayRef Args, const
PrintingPolicy ,
} else {
if (!FirstArg)
OS << Comma;
- if (!Policy.SuppressTagKeyword &&
- Argument.getKind() == TemplateArgument::Type &&
- isa(Argument.getAsType()))
-OS << Argument.getAsType().getAsString();
- else
// Tries to print the argument with location info if exists.
printArgument(Arg, Policy, ArgOS,
TemplateParameterList::shouldIncludeTypeForArgument(
diff --git a/clang/unittests/AST/DeclPrinterTest.cpp
b/clang/unittests/AST/DeclPrinterTest.cpp
index e024c41e03b484..07fa02bd96e25d 100644
--- a/clang/unittests/AST/DeclPrinterTest.cpp
+++ b/clang/unittests/AST/DeclPrinterTest.cpp
@@ -1386,6 +1386,75 @@ TEST(DeclPrinter, TestTemplateArgumentList16) {
ASSERT_TRUE(PrintedDeclCXX11Matches(Code, "NT2", "int NT2 = 5"));
}
+TEST(DeclPrinter, TestCXXRecordDecl17) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
+ "struct X {};"
+ "Z A;",
+ "A", "Z A"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
+}
+
+TEST(DeclPrinter, TestCXXRecordDecl18) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
+ "struct X {};"
+ "Z A;"
+ "template "
+ "struct Y{};"
+ "Y, 2> B;",
+ "B", "Y, 2> B"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
+}
+
+TEST(DeclPrinter, TestCXXRecordDecl19) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
+ "struct X {};"
+ "Z A;"
+ "template "
+ "struct Y{};"
+ "Y, 2> B;",
+ "B", "Y, 2> B"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = true; };
+}
+TEST(DeclPrinter, TestCXXRecordDecl20) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches(
+ "template class Inner;"
+ "template "
+ "class Inner{Inner(T val){}};"
+ "template class Outer {"
+ "public:"
+ "struct NestedStruct {"
+ "int nestedValue;"
+ "NestedStruct(int val) : nestedValue(val) {}"
+ "};"
+ "InnerClass innerInstance;"
+ "Outer(const InnerClass ) : innerInstance(inner) {}"
+ "};"
+ "Outer, 5>::NestedStruct nestedInstance(100);",
+ "nestedInstance",
+ "Outer, 5>::NestedStruct nestedInstance(100)"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
+}
+
+TEST(DeclPrinter, TestCXXRecordDecl21) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches(
+ "template class Inner;"
+ "template "
+ "class Inner{Inner(T val){}};"
+ "template class Outer {"
+ "public:"
+ "struct NestedStruct {"
+ "int nestedValue;"
+ "NestedStruct(int val) : nestedValue(val) {}"
+ "};"
+ "InnerClass innerInstance;"
+ "Outer(const InnerClass ) : innerInstance(inner) {}"
+ "};"
+ "Outer, 5>::NestedStruct nestedInstance(100);",
+ "nestedInstance",
+ "Outer, 5>::NestedStruct nestedInstance(100)"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = true; };
+}
+
TEST(DeclPrinter, TestFunctionParamUglified) {
llvm::StringLiteral Code = R"cpp(
class __c;
``
https://github.com/llvm/llvm-project/pull/86339
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[clang] Fix printing of templated records. (PR #86339)
https://github.com/zahiraam ready_for_review https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
https://github.com/zahiraam edited https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
https://github.com/zahiraam updated
https://github.com/llvm/llvm-project/pull/86339
>From ab7d280abf053b67b716e0723e2e70876e639810 Mon Sep 17 00:00:00 2001
From: Zahira Ammarguellat
Date: Fri, 22 Mar 2024 13:55:44 -0700
Subject: [PATCH 1/2] Fix printing of templated records.
---
clang/lib/AST/TypePrinter.cpp | 5 -
clang/unittests/AST/DeclPrinterTest.cpp | 21 +
2 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/clang/lib/AST/TypePrinter.cpp b/clang/lib/AST/TypePrinter.cpp
index 7032ff2f18468c..d9504f9dcb3899 100644
--- a/clang/lib/AST/TypePrinter.cpp
+++ b/clang/lib/AST/TypePrinter.cpp
@@ -2303,11 +2303,6 @@ printTo(raw_ostream , ArrayRef Args, const
PrintingPolicy ,
} else {
if (!FirstArg)
OS << Comma;
- if (!Policy.SuppressTagKeyword &&
- Argument.getKind() == TemplateArgument::Type &&
- isa(Argument.getAsType()))
-OS << Argument.getAsType().getAsString();
- else
// Tries to print the argument with location info if exists.
printArgument(Arg, Policy, ArgOS,
TemplateParameterList::shouldIncludeTypeForArgument(
diff --git a/clang/unittests/AST/DeclPrinterTest.cpp
b/clang/unittests/AST/DeclPrinterTest.cpp
index e024c41e03b484..f0e360f9caf44a 100644
--- a/clang/unittests/AST/DeclPrinterTest.cpp
+++ b/clang/unittests/AST/DeclPrinterTest.cpp
@@ -1386,6 +1386,27 @@ TEST(DeclPrinter, TestTemplateArgumentList16) {
ASSERT_TRUE(PrintedDeclCXX11Matches(Code, "NT2", "int NT2 = 5"));
}
+TEST(DeclPrinter, TestCXXRecordDecl17) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
+ "struct X {};"
+ "Z A;",
+ "A",
+ "Z A"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
+}
+
+TEST(DeclPrinter, TestCXXRecordDecl18) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
+ "struct X {};"
+ "Z A;"
+ "template "
+ "struct Y{};"
+ "Y, 2> B;",
+ "B",
+ "Y, 2> B"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
+}
+
TEST(DeclPrinter, TestFunctionParamUglified) {
llvm::StringLiteral Code = R"cpp(
class __c;
>From b1623cab26804c368adfea2eec17663e5a04f8d8 Mon Sep 17 00:00:00 2001
From: Zahira Ammarguellat
Date: Mon, 25 Mar 2024 05:04:47 -0700
Subject: [PATCH 2/2] Fixed format and added tests.
---
clang/unittests/AST/DeclPrinterTest.cpp | 58 ++---
1 file changed, 53 insertions(+), 5 deletions(-)
diff --git a/clang/unittests/AST/DeclPrinterTest.cpp
b/clang/unittests/AST/DeclPrinterTest.cpp
index f0e360f9caf44a..07fa02bd96e25d 100644
--- a/clang/unittests/AST/DeclPrinterTest.cpp
+++ b/clang/unittests/AST/DeclPrinterTest.cpp
@@ -1390,23 +1390,71 @@ TEST(DeclPrinter, TestCXXRecordDecl17) {
ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
"struct X {};"
"Z A;",
- "A",
- "Z A"));
+ "A", "Z A"));
[](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
}
TEST(DeclPrinter, TestCXXRecordDecl18) {
ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
"struct X {};"
- "Z A;"
+ "Z A;"
"template "
"struct Y{};"
"Y, 2> B;",
- "B",
- "Y, 2> B"));
+ "B", "Y, 2> B"));
[](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
}
+TEST(DeclPrinter, TestCXXRecordDecl19) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
+ "struct X {};"
+ "Z A;"
+ "template "
+ "struct Y{};"
+ "Y, 2> B;",
+ "B", "Y, 2> B"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = true; };
+}
+TEST(DeclPrinter, TestCXXRecordDecl20) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches(
+ "template class Inner;"
+ "template "
+ "class Inner{Inner(T val){}};"
+ "template class Outer {"
+ "public:"
+ "struct NestedStruct {"
+ "int nestedValue;"
+ "NestedStruct(int val) : nestedValue(val) {}"
+ "};"
+
[clang] Fix printing of templated records. (PR #86339)
github-actions[bot] wrote: :white_check_mark: With the latest revision this PR passed the Python code formatter. https://github.com/llvm/llvm-project/pull/86339 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
[clang] Fix printing of templated records. (PR #86339)
github-actions[bot] wrote:
:warning: C/C++ code formatter, clang-format found issues in your code.
:warning:
You can test this locally with the following command:
``bash
git-clang-format --diff 3b3de48fd84b8269d5f45ee0a9dc6b7448368424
ab7d280abf053b67b716e0723e2e70876e639810 -- clang/lib/AST/TypePrinter.cpp
clang/unittests/AST/DeclPrinterTest.cpp
``
View the diff from clang-format here.
``diff
diff --git a/clang/unittests/AST/DeclPrinterTest.cpp
b/clang/unittests/AST/DeclPrinterTest.cpp
index f0e360f9ca..a7d8212249 100644
--- a/clang/unittests/AST/DeclPrinterTest.cpp
+++ b/clang/unittests/AST/DeclPrinterTest.cpp
@@ -1390,20 +1390,18 @@ TEST(DeclPrinter, TestCXXRecordDecl17) {
ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
"struct X {};"
"Z A;",
- "A",
- "Z A"));
+ "A", "Z A"));
[](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
}
TEST(DeclPrinter, TestCXXRecordDecl18) {
ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
"struct X {};"
- "Z A;"
+ "Z A;"
"template "
"struct Y{};"
"Y, 2> B;",
- "B",
- "Y, 2> B"));
+ "B", "Y, 2> B"));
[](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
}
``
https://github.com/llvm/llvm-project/pull/86339
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[clang] Fix printing of templated records. (PR #86339)
https://github.com/zahiraam created
https://github.com/llvm/llvm-project/pull/86339
None
>From ab7d280abf053b67b716e0723e2e70876e639810 Mon Sep 17 00:00:00 2001
From: Zahira Ammarguellat
Date: Fri, 22 Mar 2024 13:55:44 -0700
Subject: [PATCH] Fix printing of templated records.
---
clang/lib/AST/TypePrinter.cpp | 5 -
clang/unittests/AST/DeclPrinterTest.cpp | 21 +
2 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/clang/lib/AST/TypePrinter.cpp b/clang/lib/AST/TypePrinter.cpp
index 7032ff2f18468c..d9504f9dcb3899 100644
--- a/clang/lib/AST/TypePrinter.cpp
+++ b/clang/lib/AST/TypePrinter.cpp
@@ -2303,11 +2303,6 @@ printTo(raw_ostream , ArrayRef Args, const
PrintingPolicy ,
} else {
if (!FirstArg)
OS << Comma;
- if (!Policy.SuppressTagKeyword &&
- Argument.getKind() == TemplateArgument::Type &&
- isa(Argument.getAsType()))
-OS << Argument.getAsType().getAsString();
- else
// Tries to print the argument with location info if exists.
printArgument(Arg, Policy, ArgOS,
TemplateParameterList::shouldIncludeTypeForArgument(
diff --git a/clang/unittests/AST/DeclPrinterTest.cpp
b/clang/unittests/AST/DeclPrinterTest.cpp
index e024c41e03b484..f0e360f9caf44a 100644
--- a/clang/unittests/AST/DeclPrinterTest.cpp
+++ b/clang/unittests/AST/DeclPrinterTest.cpp
@@ -1386,6 +1386,27 @@ TEST(DeclPrinter, TestTemplateArgumentList16) {
ASSERT_TRUE(PrintedDeclCXX11Matches(Code, "NT2", "int NT2 = 5"));
}
+TEST(DeclPrinter, TestCXXRecordDecl17) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
+ "struct X {};"
+ "Z A;",
+ "A",
+ "Z A"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
+}
+
+TEST(DeclPrinter, TestCXXRecordDecl18) {
+ ASSERT_TRUE(PrintedDeclCXX98Matches("template struct Z {};"
+ "struct X {};"
+ "Z A;"
+ "template "
+ "struct Y{};"
+ "Y, 2> B;",
+ "B",
+ "Y, 2> B"));
+ [](PrintingPolicy ) { Policy.SuppressTagKeyword = false; };
+}
+
TEST(DeclPrinter, TestFunctionParamUglified) {
llvm::StringLiteral Code = R"cpp(
class __c;
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