add. #[inline(never)] tag to gurantee , new stack frame is issued.

Author: nabeel99

lang/syn/src/codegen/accounts/constraints.rs

@@ -545,7 +545,7 @@ fn generate_constraint_init_group(
                 // Define the bump and pda variable.
                 #find_pda
 
-                let #field: #ty_decl = (||{
+                let #field: #ty_decl = ({#[inline(never)] ||{
                     // Checks that all the required accounts for this operation are present.
                     #optional_checks
 
@@ -580,7 +580,7 @@ fn generate_constraint_init_group(
                         }
                     }
                     Ok(pa)
-                })()?;
+                }})()?;
             }
         }
         InitKind::AssociatedToken {
@@ -616,7 +616,7 @@ fn generate_constraint_init_group(
                 // Define the bump and pda variable.
                 #find_pda
 
-                let #field: #ty_decl = (||{
+                let #field: #ty_decl = ({#[inline(never)] ||{
                     // Checks that all the required accounts for this operation are present.
                     #optional_checks
 
@@ -653,7 +653,7 @@ fn generate_constraint_init_group(
                         }
                     }
                     Ok(pa)
-                })()?;
+                }})()?;
             }
         }
         InitKind::Mint {
@@ -1012,7 +1012,7 @@ fn generate_constraint_init_group(
                 // Define the bump variable.
                 #find_pda
 
-                let #field = (||{
+                let #field = ({#[inline(never)] ||{
                     // Checks that all the required accounts for this operation are present.
                     #optional_checks
 
@@ -1058,7 +1058,7 @@ fn generate_constraint_init_group(
 
                     // Done.
                     Ok(pa)
-                })()?;
+                }})()?;
             }
         }
     }

tests/zero-copy/programs/zero-copy/Cargo.toml

@@ -19,6 +19,7 @@ idl-build = ["anchor-lang/idl-build"]
 
 [dependencies]
 anchor-lang = { path = "../../../../lang" }
+# anchor-lang = "0.30.0"
 bytemuck = {version = "1.4.0", features = ["derive", "min_const_generics"]}
 
 [dev-dependencies]