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da59652c1b
As reported in https://bugs.llvm.org/show_bug.cgi?id=42113, there are a number of locations in Clang where it is assumed that exception specifications are only valid in C++ mode. Since the original justification for the NoThrow Exception Specifier Type was C++ related, this patch just makes C mode use the attribute-based nothrow handling. Additionally, I noticed that the handling of non-prototype functions regressed the behavior of the nothrow attribute, in part because it is was listed in the function type macro(which I did in the previous patch). In reality, it should only be doing so in a conditional nature, so this patch removes it there and puts it directly in the switch to be handled correctly. llvm-svn: 362607
19 lines
650 B
C
19 lines
650 B
C
// RUN: %clang_cc1 %s -verify
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// RUN: %clang_cc1 %s -ast-dump | FileCheck %s
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// expected-no-diagnostics
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// PR42113: The following caused an assertion in mergeFunctionTypes
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// because it causes one side to have an exception specification, which
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// isn't typically supported in C.
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void PR42113a();
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void PR42113a(void) __attribute__((nothrow));
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// CHECK: FunctionDecl {{.*}} PR42113a
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// CHECK: FunctionDecl {{.*}} PR42113a
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// CHECK: NoThrowAttr
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void PR42113b() __attribute__((nothrow));
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// CHECK: FunctionDecl {{.*}} PR42113b
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// CHECK: NoThrowAttr
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__attribute__((nothrow)) void PR42113c();
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// CHECK: FunctionDecl {{.*}} PR42113c
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// CHECK: NoThrowAttr
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