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authorDouglas Gregor <dgregor@apple.com>2011-05-09 20:45:16 +0000
committerDouglas Gregor <dgregor@apple.com>2011-05-09 20:45:16 +0000
commitc056c1792eac0717640f1f48b3739cc9a98ee413 (patch)
treec93eaa3e95c9c5ff2ea1e336e078a908200e45b1 /lib/Sema/SemaTemplateInstantiate.cpp
parent023df37c27ee8035664fb62f206ca58f4e2a169d (diff)
When determining whether we need to instantiate a function type,
also consider whether any of the parameter types (as written, prior to decay) are dependent. Fixes PR9880 and <rdar://problem/9408413>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131099 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaTemplateInstantiate.cpp')
-rw-r--r--lib/Sema/SemaTemplateInstantiate.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Sema/SemaTemplateInstantiate.cpp b/lib/Sema/SemaTemplateInstantiate.cpp
index 03c2befbc5..564f099ad9 100644
--- a/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/lib/Sema/SemaTemplateInstantiate.cpp
@@ -1388,6 +1388,12 @@ static bool NeedsInstantiationAsFunctionType(TypeSourceInfo *T) {
for (unsigned I = 0, E = FP.getNumArgs(); I != E; ++I) {
ParmVarDecl *P = FP.getArg(I);
+ // The parameter's type as written might be dependent even if the
+ // decayed type was not dependent.
+ if (TypeSourceInfo *TSInfo = P->getTypeSourceInfo())
+ if (TSInfo->getType()->isDependentType())
+ return true;
+
// TODO: currently we always rebuild expressions. When we
// properly get lazier about this, we should use the same
// logic to avoid rebuilding prototypes here.