[PATCH] D155380: [clang] Fix delayed template parsing

[Serge Pavlov via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGcc006acdd6d7: [clang] Fix delayed template parsing (authored 
by sepavloff).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D155380/new/

https://reviews.llvm.org/D155380

Files:
  clang/include/clang/Sema/Sema.h
  clang/lib/Parse/ParseTemplate.cpp
  clang/test/PCH/late-parsed-instantiations.cpp


Index: clang/test/PCH/late-parsed-instantiations.cpp
===================================================================
--- clang/test/PCH/late-parsed-instantiations.cpp
+++ clang/test/PCH/late-parsed-instantiations.cpp
@@ -4,7 +4,9 @@
 // RUN: %clang_cc1 -fdelayed-template-parsing -std=c++14 -emit-pch 
-fpch-instantiate-templates %s -o %t.pch -verify
 // RUN: %clang_cc1 -fdelayed-template-parsing -std=c++14 -include-pch %t.pch 
%s -verify
 
-// XFAIL: target={{.*}}-aix{{.*}}
+// Run this test for i686 as this is the target that modifies default FP 
options.
+// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fdelayed-template-parsing 
-std=c++14 -emit-pch -fpch-instantiate-templates %s -o %t.pch -verify
+// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fdelayed-template-parsing 
-std=c++14 -include-pch %t.pch %s -verify
 
 #ifndef HEADER_INCLUDED
 
Index: clang/lib/Parse/ParseTemplate.cpp
===================================================================
--- clang/lib/Parse/ParseTemplate.cpp
+++ clang/lib/Parse/ParseTemplate.cpp
@@ -1744,6 +1744,7 @@
 
   // Parsing should occur with empty FP pragma stack and FP options used in the
   // point of the template definition.
+  Sema::FpPragmaStackSaveRAII SavedStack(Actions);
   Actions.resetFPOptions(LPT.FPO);
 
   assert(!LPT.Toks.empty() && "Empty body!");
Index: clang/include/clang/Sema/Sema.h
===================================================================
--- clang/include/clang/Sema/Sema.h
+++ clang/include/clang/Sema/Sema.h
@@ -710,6 +710,16 @@
     return result;
   }
 
+  class FpPragmaStackSaveRAII {
+  public:
+    FpPragmaStackSaveRAII(Sema &S) : S(S), SavedStack(S.FpPragmaStack) {}
+    ~FpPragmaStackSaveRAII() { S.FpPragmaStack = std::move(SavedStack); }
+
+  private:
+    Sema &S;
+    PragmaStack<FPOptionsOverride> SavedStack;
+  };
+
   void resetFPOptions(FPOptions FPO) {
     CurFPFeatures = FPO;
     FpPragmaStack.Stack.clear();



Index: clang/test/PCH/late-parsed-instantiations.cpp
===================================================================
--- clang/test/PCH/late-parsed-instantiations.cpp
+++ clang/test/PCH/late-parsed-instantiations.cpp
@@ -4,7 +4,9 @@
 // RUN: %clang_cc1 -fdelayed-template-parsing -std=c++14 -emit-pch -fpch-instantiate-templates %s -o %t.pch -verify
 // RUN: %clang_cc1 -fdelayed-template-parsing -std=c++14 -include-pch %t.pch %s -verify
 
-// XFAIL: target={{.*}}-aix{{.*}}
+// Run this test for i686 as this is the target that modifies default FP options.
+// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fdelayed-template-parsing -std=c++14 -emit-pch -fpch-instantiate-templates %s -o %t.pch -verify
+// RUN: %clang_cc1 -triple i686-pc-linux-gnu -fdelayed-template-parsing -std=c++14 -include-pch %t.pch %s -verify
 
 #ifndef HEADER_INCLUDED
 
Index: clang/lib/Parse/ParseTemplate.cpp
===================================================================
--- clang/lib/Parse/ParseTemplate.cpp
+++ clang/lib/Parse/ParseTemplate.cpp
@@ -1744,6 +1744,7 @@
 
   // Parsing should occur with empty FP pragma stack and FP options used in the
   // point of the template definition.
+  Sema::FpPragmaStackSaveRAII SavedStack(Actions);
   Actions.resetFPOptions(LPT.FPO);
 
   assert(!LPT.Toks.empty() && "Empty body!");
Index: clang/include/clang/Sema/Sema.h
===================================================================
--- clang/include/clang/Sema/Sema.h
+++ clang/include/clang/Sema/Sema.h
@@ -710,6 +710,16 @@
     return result;
   }
 
+  class FpPragmaStackSaveRAII {
+  public:
+    FpPragmaStackSaveRAII(Sema &S) : S(S), SavedStack(S.FpPragmaStack) {}
+    ~FpPragmaStackSaveRAII() { S.FpPragmaStack = std::move(SavedStack); }
+
+  private:
+    Sema &S;
+    PragmaStack<FPOptionsOverride> SavedStack;
+  };
+
   void resetFPOptions(FPOptions FPO) {
     CurFPFeatures = FPO;
     FpPragmaStack.Stack.clear();

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