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-rw-r--r--test/Modules/context-hash.c34
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diff --git a/test/Modules/context-hash.c b/test/Modules/context-hash.c
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+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fsyntax-only -internal-isystem \
+// RUN: %S/Inputs/System/usr/include -fmodules -fimplicit-module-maps \
+// RUN: -fmodules-cache-path=%t %s -Rmodule-build 2> %t1
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fsyntax-only -internal-isystem \
+// RUN: %S/Inputs/System/usr/include -internal-isystem %S -fmodules \
+// RUN: -fimplicit-module-maps -fmodules-cache-path=%t %s -Rmodule-build 2> \
+// RUN: %t2
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fsyntax-only -internal-isystem \
+// RUN: %S/Inputs/System/usr/include -internal-isystem %S -fmodules \
+// RUN: -fimplicit-module-maps -fmodules-cache-path=%t %s \
+// RUN: -fmodules-strict-context-hash -Rmodule-build 2> %t3
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fsyntax-only -Weverything -internal-isystem \
+// RUN: %S/Inputs/System/usr/include -fmodules -fmodules-strict-context-hash \
+// RUN: -fimplicit-module-maps -fmodules-cache-path=%t %s -Rmodule-build 2> \
+// RUN: %t4
+// RUN: echo %t > %t.path
+// RUN: cat %t.path %t1 %t2 %t3 %t4 | FileCheck %s
+
+// This test verifies that only strict hashing includes search paths and
+// diagnostics in the module context hash.
+
+#include <stdio.h>
+
+// CHECK: [[PREFIX:(.*[/\\])+[a-zA-Z0-9.-]+]]
+// CHECK: building module 'cstd' as '[[PREFIX]]{{[/\\]}}[[CONTEXT_HASH:[A-Z0-9]+]]{{[/\\]}}cstd-[[AST_HASH:[A-Z0-9]+]].pcm'
+// CHECK: building module 'cstd' as '{{.*[/\\]}}[[CONTEXT_HASH]]{{[/\\]}}cstd-[[AST_HASH]].pcm'
+// CHECK-NOT: building module 'cstd' as '{{.*[/\\]}}[[CONTEXT_HASH]]{{[/\\]}}
+// CHECK: cstd-[[AST_HASH]].pcm'
+// CHECK-NOT: building module 'cstd' as '{{.*[/\\]}}[[CONTEXT_HASH]]{{[/\\]}}
+// CHECK: cstd-[[AST_HASH]].pcm'