From 094931cdc008c775517398271741334bab8c9acd Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Wed, 25 Mar 2026 16:42:16 +0300
Subject: [PATCH] cgen: fix c error in conditional attribution (fixes #26375)

---
 vlib/v/gen/c/if.v                                 | 10 +++++++++-
 .../conditions/ifs/if_expr_of_multi_stmts_test.v  | 15 +++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/vlib/v/gen/c/if.v b/vlib/v/gen/c/if.v
index 77982e221..d16d3bdbe 100644
--- a/vlib/v/gen/c/if.v
+++ b/vlib/v/gen/c/if.v
@@ -262,6 +262,7 @@ fn (mut g Gen) if_expr(node ast.IfExpr) {
 		} else {
 			g.unwrap_generic(node_typ)
 		}
+		resolved_sym := g.table.final_sym(resolved_typ)
 		mut styp := g.styp(resolved_typ)
 		if (g.inside_if_option || node_typ.has_flag(.option)) && !g.inside_or_block {
 			raw_state = g.inside_if_option
@@ -293,13 +294,20 @@ fn (mut g Gen) if_expr(node ast.IfExpr) {
 		g.empty_line = true
 		if tmp != '' && !use_outer_tmp {
 			// Only declare the tmp var if it's not from outer context
+			mut declared_tmp := false
 			if node.typ == ast.void_type && g.last_if_option_type != 0 {
 				// nested if on return stmt
 				g.write2(g.styp(g.unwrap_generic(g.last_if_option_type)), ' ')
+			} else if resolved_sym.kind == .function && resolved_sym.info is ast.FnType {
+				g.writeln('${g.fn_var_signature(resolved_typ, resolved_sym.info.func.return_type,
+					resolved_sym.info.func.params.map(it.typ), tmp)}; /* if prepend */')
+				declared_tmp = true
 			} else {
 				g.write('${styp} ')
 			}
-			g.writeln('${tmp}; /* if prepend */')
+			if !declared_tmp {
+				g.writeln('${tmp}; /* if prepend */')
+			}
 			g.set_current_pos_as_last_stmt_pos()
 		}
 		if g.infix_left_var_name.len > 0 {
diff --git a/vlib/v/tests/conditions/ifs/if_expr_of_multi_stmts_test.v b/vlib/v/tests/conditions/ifs/if_expr_of_multi_stmts_test.v
index 308db3053..8ea0663ec 100644
--- a/vlib/v/tests/conditions/ifs/if_expr_of_multi_stmts_test.v
+++ b/vlib/v/tests/conditions/ifs/if_expr_of_multi_stmts_test.v
@@ -13,3 +13,18 @@ fn test_if_expr_of_multi_stmts() {
 	}
 	assert ret == 10
 }
+
+fn test_if_expr_of_multi_stmts_returning_anon_fn() {
+	condition := true
+	f := if condition {
+		println('f')
+		fn (value string) string {
+			return 'left:${value}'
+		}
+	} else {
+		fn (value string) string {
+			return 'right:${value}'
+		}
+	}
+	assert f('x') == 'left:x'
+}
-- 
2.39.5